logo of letters W H M C S

WHMCS

  • Installation Guide
  • Release Notes
  • Change Log
  • Developer Documentation
  • Contact Support
  • Choose Version
  • Login
    • Get Started with WHMCS
    • Getting Started Wizard
    • The Admin Area
    • The Admin Dashboard
    • Setup Tasks
    • Migrate Data to WHMCS
    • System Requirements
    • Install WHMCS
    • Install on the Command Line
    • Install with cPanel Site Software
    • Install with Plesk WHMCS Installer
    • Install ionCube Loader
    • Set Up a Test Environment
    • Uninstall WHMCS
    • Updating Through EOL Versions
      • Enhancing Security
      • Secure Writeable Directories
      • The configuration.php File
      • Secure the Configuration File
      • Move the Cron Directory
      • Rename the Admin Directory
      • Restrict NGINX Directory Access
    • WHMCS Development
    • WHMCS Distributions
    • WHMCS Glossary
    • Addon Modules
    • Bulk Pricing Updater
    • Configurable Package Addon
    • cPanel Licensing
    • Google Analytics
    • ImportAssist
    • KashFlow Accounting
    • Live Chat
    • MailChimp
    • Project Management
    • Reseller License Manager
    • Software Licensing
    • SolusIO
    • Theme Editor
    • Translation Editor
    • Admins
    • Apps & Integrations
    • Admin Tools
    • Notifications
    • My Account
      • Accept an Admin Invitation
      • Add an Admin
      • Add or Edit an Administrator Role
      • Change the Number of Results
      • Configure an Admin Avatar
      • Configure Email Notifications
      • Configure HipChat Notifications
      • Configure Slack Notifications
      • Disable Admin Notifications
      • Disable an Admin
      • Edit an Admin
      • Log In to the Admin Area
      • Manage Dashboard Widgets
      • Resend an Admin Invite
      • Reset an Admin Password
    • Billing Logic
    • Billable Items and Time Billing
    • Overage Billing
    • Prorata Billing
    • Invoice Management
    • Invoice Configuration
    • Custom PDF Invoices
    • On-Demand Renewals
    • Quotes
      • Add a Billable Item
      • Add Time Billing
      • Change Invoice Instructions
      • Change Your Payment Address
      • Configure Invoicing
      • Configure Payment Reminders
      • Convert Invoice Currencies
      • Create a Mass Payment Invoice
      • Create a Prorata Invoice
      • Create a Renewal Invoice Early
      • Create Separate Renewal Invoices
      • Customize Your Invoice Numbering
      • Enable Proforma Invoicing
      • Merge Invoices
      • Regenerate Invoices
      • Skip an Invoice
      • Snapshot Customer Invoice Data
    • Users and Client Accounts
    • Emailing Clients
    • Managing Users
    • Client Groups
    • Security Questions
    • Client Email Verification
    • Banned Emails
      • Affiliate System
      • Managing Affiliates
      • Affiliate Links
      • Announcements
      • Custom Fields
      • Linking to WHMCS
      • Maintenance Mode
      • Network Issues
      • Summary Tab
      • Profile Tab
      • Users Tab
      • Contacts Tab
      • Products/Services Tab
      • Domains Tab
      • Billable Items Tab
      • Invoices Tab
      • Quotes Tab
      • Transactions Tab
      • Tickets Tab
      • Emails Tab
      • Notes Tab
      • Log Tab
      • Add a Client
      • Add and Associate Users
      • Match User and Client Details
      • Reset a User Password
      • Set a User Password Manually
      • Activate an Affiliate
      • Customize Affiliate Links
      • Delete Inactive Clients
      • Export Client Data
      • Require Opting-In to Emails
      • Require Terms and Conditions
      • Resend a Welcome Email
    • Countries and Calling Codes
    • Create Admin Dashboard Widgets
    • Custom Modules
    • Custom Order Form Templates
    • Custom Reports
    • Error Pages
    • Integration Code
    • Models
    • Sessions
    • Themes and Templates
    • Transliteration
    • WHMCS Base URL Template Variable
    • Single Sign-On into WHMCS
      • Client Area Homepage Panels
      • Client Area Layout
      • Client Area Navigation Menus
      • Client Area Sidebars
      • Customizing Promotions
      • Menu and Sidebar Context
      • Preview a Template
      • Create a New Order Form Template
      • Create Customizations with Git
      • Customize Quick Shortcuts
      • Disable Feature Highlights
      • Manually Update Customizations
      • Update Customizations with Git
        • Add a Menu Item
        • Change a Menu Item Label
        • Change a Menu Item Link
        • Open Menu Links in New Tabs
        • Rearrange Menu Items
        • Remove a Menu Item
        • Add a Sidebar Item
        • Change a Sidebar Menu Label
        • Change a Sidebar Menu Link
        • Rearrange Sidebar Items
        • Remove a Sidebar Item
        • Add a Panel to Specific Pages
        • Add a Promotional Offer Panel
        • Add a Social Media Panel
        • Add a Special Offer Panel
        • Add an Informational Panel
        • Create a Two-Column Panel
        • Modify an Existing Panel
        • Rearrange Panels
        • Remove a Panel
    • Selling and Managing Domains
    • Domain Registrars
    • Lookup Providers
    • Domain Statuses
    • Client Area Domain Registration
    • ICANN Policies
    • WHOIS Servers
    • SSL Monitoring
      • 101Domain
      • Affordable Domains
      • CentralNic Reseller
      • Email Notifications
      • Enom
      • GoDaddy
      • HEXONET
      • Internet.bs
      • IPMirror
      • Namecheap
      • NetEarthOne
      • Nominet
      • OnlineNIC
      • OpenSRS
      • Register.com
      • Register.eu
      • ResellerCamp
      • ResellerClub
      • Stargate/UK2
      • TPP Wholesale
      • TransIP
      • WebNIC
      • Add Spotlight TLD Logos
      • Automatically Renew on Payment
      • Configure a Domain Extension
      • Configure a Lookup Provider
      • Configure Grace Periods and Fees
      • Customize Registration Options
      • Disable Automatic Renewals
      • Enable Client Area Renewals
      • Manually Register a Domain
      • Manually Renew a Domain
      • Reattempt Registration or Transfer
      • Retry a Registrar Module Action
      • Set Default Nameservers
      • Set Domain Length Restrictions
      • Set Domain Renewal Restrictions
      • Set Up a Domain Registrar
      • Set Up the Enom Registrar
      • Transfer a Domain
      • Transfer a Domain to Another Client
      • Domain Pricing
      • Free Domains
      • International Domain Names
      • Premium Domains
      • Registrar Pricing Sync
      • Domain Categories
      • Custom Domain Fields
      • Domain Renewals
      • Domain Renewal Notices
      • Grace and Redemption Periods
      • Domain Transfers
      • Domain Resolver
    • MarketConnect
    • MarketConnect Landing Pages
    • MarketConnect Promotions
      • Activate MarketConnect
      • Configure MarketConnect Pricing
      • Deposit Funds
      • Set Up Balance Alerts
      • Set Up Balance Reloading
      • Start Selling MarketConnect
      • 360 Monitoring
      • CodeGuard
      • marketgoo
      • NordVPN
      • OX App Suite
      • SiteLock
      • SiteLock VPN
      • SpamExperts
      • SSL Certificates
      • SocialBee
      • Web.com Site Builder
      • Weebly
    • Order Management
    • Order Statuses
    • Spam Orders
    • Fraud Protection
    • FraudLabs Pro
    • MaxMind
    • User Identity Verification
      • Create an Order
      • Activate an Order
      • Modify an Order
    • Pay Methods
    • Payment Gateways
    • Accepting PayPal
    • Disputes
    • Payment Reversals
    • Tokenization
    • Custom Gateway Modules
    • Transactions
    • Currencies
    • Tax Configuration
    • Credit Balances
      • 2CheckOut
      • Accept.js by Authorize.net
      • AsiaPay
      • Authorize.net
      • Authorize.net CIM
      • Authorize.net Echeck
      • Bank Transfer
      • BidPay
      • BitPay
      • BluePay
      • BluePay e-Check
      • BluePay Remote
      • Boleto
      • CashU
      • CCAvenue API v2
      • CCAvenue Legacy
      • Direct Debit
      • E-Gold
      • E-Path
      • eProcessingNetwork
      • eWAY
      • F2B
      • Forte
      • Gate2Shop
      • GoCardless
      • iDeal via Mollie
      • inpay
      • IP.Pay
      • Mail In Payment
      • Merchant Partners
      • Merchant Warrior
      • Moneris
      • Moneris Vault
      • Navigate
      • NETbilling
      • Netregistry Pay
      • NoChex
      • Offline Credit Card
      • Optimal Payments
      • Pay Junction
      • PayFlow Pro
      • Payment Express
      • PayPal Basic
      • PayPal Card Payments
      • PayPal Checkout
      • PayPal Payments
      • PayPal Pro Reference Payments
      • PayPal Website Payments Pro
      • PayPoint.net
      • Planet Authorize
      • PSIGate
      • Quantum Gateway
      • Quantum Vault
      • SagePay
      • SagePay Repeats
      • SagePay Tokens v2
      • SagePay VSP Form
      • SecurePay
      • SecurePay AU
      • SecureTrading
      • Skrill
      • Skrill 1-Tap
      • Stripe
      • Stripe ACH
      • Stripe SEPA
      • Turkish Garanti Bank
      • USA ePay
      • WorldPay
      • WorldPay FuturePay
      • Automatically Update Prices
      • Change a Client's Currency
      • Change the Default Currency
      • Find a Base Conversion Rate
      • Sell in Multiple Currencies
      • Add Restricted API Keys to Stripe
      • Allow Users to Delete Cards
      • Configure a Payment Gateway
      • Configure Payment Capture
      • Configure PayPal Payments
      • Copy a Gateway Module
      • Migrate Payment Gateways
      • Migrate to PayPal Checkout
      • Update the PayPal Webhook URL
      • Change Invoice Tax Rates
      • Configure GST and Collect GSTINs for India
      • Configure VAT and Collect VAT IDs for Europe
      • Configure VAT and Collect VAT IDs for the UK
      • Update Tax Rates
    • Products
    • Product Groups
    • Order Form Templates
    • Link Tracking
    • Upgrades and Downgrades
    • Cancellations
    • Promotions
      • Product Configuration Options
      • Configurable Options
      • Cross-selling Recommendations
      • Product Addons
      • Sitejet Builder
      • Product Bundles
      • Product Downloads
      • Usage Billing
      • WordPress Hosting
      • WP Squared Hosting
      • WP Toolkit
      • Add Sitejet Builder to cPanel Products
      • Add Sitejet Builder to Plesk Products
      • Assign Custom Emails to Products
      • Automatically Provision Services
      • Bill Resellers Per Account
      • Change the Default Order Form Template
      • Change the Default Product Group
      • Configure On-Demand Renewals
      • Configure Product Group Features
      • Configure Recommendations
      • Configure Usage Billing
      • Create a Product
      • Create a Product Group
      • Create a Sitejet Builder Addon
      • Create an Addon
      • Enable Cross-selling
      • Enable Taxes for a Product
      • Hide or Retire Products
      • Link to a Product
      • Offer Free Trials
      • Cancel Services Immediately
      • Delete a Service
      • Schedule a Service Termination
      • Transfer a Service to Another Client
      • Update the Recurring Amount
      • Upgrade or Downgrade a Service
    • Servers
    • Server Groups
    • Sync Accounts
    • WHMCS Connect
      • Create a Server
      • Create a cPanel Server
      • Create a DirectAdmin Server
      • Create a Plesk Server
      • Create a WP Squared Server
      • Customize Monitoring Ports
      • Migrate cPanel Services
      • Delete a Server
      • Ahsay Backups
      • Auto Release
      • Centova Cast
      • Cloudmin
      • cPanel
      • DirectAdmin
      • Enom SSL
      • FreeRADIUS
      • GlobalSign SSL
      • Helm
      • Helm 4
      • HyperVM
      • InterWorx
      • Plesk
      • Reseller Central
      • ResellerClub SSL
      • SCPanel
      • SolusVM
      • TCAdmin
      • Virtualizor
      • Virtualmin Pro
      • VPS.net
      • WebPros Cloud
      • WebsitePanel
      • WHMSonic
      • WP Squared
    • Support Tools
    • Support Departments
    • Email Importing
    • Email Piping
    • Support Tickets
    • Ticket Actions
    • Ticket Statuses
    • Predefined Replies
    • Spam Control
    • Knowledgebase
    • Downloads
      • Add a Knowledgebase Article
      • Add a Knowledgebase Category
      • Enable Knowledgebase Suggestions
      • Add a Predefined Reply
      • Add a Support Department
      • Disable Client Ticket Closure
      • Prune Ticket Attachments
      • Remove Quoted Email Replies
      • Schedule a Ticket Action
      • Set Up Email Importing
      • Set Up Email Importing - Google
      • Set Up Email Importing - Microsoft
      • Set Up Email Piping - cPanel
      • Use a Predefined Reply
      • View and Import Blocked Replies
    • Analytics Tracking
    • Banned IP Addresses
    • Captcha Protection
    • Data Feeds
    • Friendly URLs
    • License Information
    • Reports
    • System Cleanup
    • Trusted Proxies
      • Two-Factor Authentication
      • Duo® Security
      • API Credentials
      • Single Sign-On
      • Application Links
      • Sign-In Integrations
      • OpenID Connect
      • OpenID Connect Development
        • Enable 2FA Globally
        • Enable 2FA for Admins
        • Enable 2FA for Clients
        • Log In Without a Backup Code
        • Log In Without a Token
        • Require 2FA
        • Sign In Using Facebook
        • Sign In Using Google
        • Sign In Using Twitter
      • Automation Settings
      • Automation Status
      • System Cron
      • Domain Sync Task
        • Check the Cron Job Status
        • Configure the System Cron Job
        • Configure When Daily Tasks Run
        • Find the Cron php.ini File
        • Resolve a Cron PHP Mismatch
      • Database Backups
      • Database Status
      • Storage Settings
        • Disable MySQL Strict Mode
        • Enable Encrypted MySQL
        • Migrate Local Storage
        • Migrate Storage Locations
        • Restore the WHMCS Database
        • Set Up Amazon S3 Storage
        • Set Up an Amazon S3 Bucket
      • Email Campaigns
      • Email Marketer
      • Email Templates
      • Mail Providers
        • Change the From Address
        • Configure Email Styling
        • Customize Email Templates
        • Disable Outgoing Mail
        • Get Copies of System Emails
        • Localize Email Templates
        • Restore Default Email Templates
        • Set a Global Email Signature
        • Use Google for System Mail
        • Use Microsoft for System Mail
        • Use Other Providers for System Mail
        • Use SMTP for System Mail
      • Affiliates
      • Credit
      • Domains
      • General
      • Invoices
      • Localisation
      • Mail
      • Ordering
      • Other
      • Security
      • Social
      • Support
        • Change How Dates Display
        • Customize Text
        • Enable the Language Menu
        • Set the Default Locale
        • Translate Custom Status Names
        • Translate Product Text
      • Localization
      • Custom Template PHP
      • Login Session Length
      • PHP Info
      • PHP Upgrades
      • PHP Version Compatibility
      • Smarty Security Policy
        • Check for Updates
        • Prepare to Update WHMCS
        • Set a Maintenance Message
        • Set the Temporary Update Path
        • Set the Update Channel
        • Update in the Browser
        • Update on the Command Line
        • Update with the Automatic Updater
      • Updating WHMCS
      • Legacy Module Removal
      • Enable Default Captchas
      • Enable hCaptcha®
      • Enable reCAPTCHA v3
      • Change the System Charset
      • Change the System Theme
      • Customize Your Logo
      • Disable Analytics Tracking
      • Enable Friendly URLs
      • Force a License Update
      • Move WHMCS to a New Server
      • Move WHMCS to a New Subdomain
      • Optimize Performance
      • Update PHP with cPanel MultiPHP
      • Update the System URL
    • Start Troubleshooting
    • Enable Error Reporting
    • Errors in WHMCS
    • Logs in WHMCS
    • Module Queue
    • Refresh a Directory
    • System Health
      • General Troubleshooting
      • 404 Page Not Found Errors
      • Admin Directory Errors
      • Blank Admin Dashboard
      • Blank or Partially-Rendered Pages
      • Character Display in Reports
      • Corrupt File Errors
      • cURL Couldn't Connect to Host Errors
      • cURL Couldn't Resolve Host Errors
      • cURL Timeout Errors
      • Dataset Must Be Array Errors
      • Down for Maintenance Errors
      • Duplicate System Theme Options
      • Empty Pages
      • Failed Opening Errors
      • File Cannot Be Decoded Errors
      • File Not Found Errors
      • Filename Not Allowed Errors
      • Impossible root Errors
      • LogicException Template Errors
      • Missing Country Customizations
      • Module Command Unknown Errors
      • Oops! Errors
      • Query String URI Errors
      • Redirect Loops
      • Server Communication Errors
      • Server IP Address in Logs
      • Troubleshooting Addon Modules
      • Addon Module Oops! Errors
      • Missing Addon Modules
      • Translation Editor Content Errors
        • cPanel License Assigned Errors
        • cPanel License Configurable Option Errors
        • cPanel License Deactivated Errors
        • cPanel License Missing IP Address
        • cPanel License Reactivation Errors
        • cPanel Licensing Options Errors
        • Client Import Failed Errors
        • Import Validation Failures
        • ImportAssist Unable to Connect
        • Missing Imported Clients
        • Live Chat Connection Errors
        • Live Chat Display Issues
        • Live Chat Login and License Errors
        • Live Chat Server or Host Errors
        • Live Chat SMTP Errors
        • Licensing Invalid Key Errors
        • Licensing Local Key Generation
        • Licensing Remote Check Errors
        • Theme Deletion Errors
        • Theme Editor Creation Errors
      • Troubleshooting Authentication
      • Cloudflare Proxy Check Errors
      • Duo Security Login Failures
      • Expired Admin Invite Links
      • Facebook App Not Setup Errors
      • Facebook URL Errors
      • Frequent Logouts
      • Google Remote Linking Failures
      • Google Sign In Unavailable Errors
      • Google Verification Failures
      • Invalid Details Errors
      • Invalid Reset Link Errors
      • Login Details Errors
      • Login Redirect Loops
      • Oops! Access Denied Errors
      • Oops! Too Many Requests Errors
      • PHP Session Storage Errors
      • Sessions Are Not Removed
      • Single Sign-On Active Session Errors
      • Single Sign-On Closed User Errors
      • Single Sign-On Configuration Errors
      • Single Sign-On Token Errors
      • Social Login Errors
      • Twitter Connection Errors
      • Twitter Link Initiated Messages
      • Unable to Access Sign-In Integrations
      • Troubleshooting the System Cron
      • Cron Failures
      • Cron Frequency Warnings
      • Cron Input File Errors
      • Cron Metrics Polling Timeout
      • Cron System Queue Timeout
      • Cron Time of Day Issues
      • Fatal Memory Size Errors
      • Intermittent Cron Failures
      • No Input File Specified Errors
      • System Timezone Issues
      • Unable to Communicate Errors
      • Undefined curl_init() Function Errors
      • Whoops Exception Errors
      • Troubleshooting Customizations
      • Troubleshooting Hooks
      • Troubleshooting System Themes
      • Troubleshooting WHMCS API Calls
      • Troubleshooting Domains
      • Blank Choose a Domain Page
      • Blank Domain Search Results
      • Domain Availability Errors
      • Domain Management Oops! Errors
      • Domain Pricing Will Not Save
      • Free Domain Is Not Free
      • Missing Contact Details Errors
      • Missing Registrant Contact Errors
      • No Nameservers Are Defined Errors
      • OpenSSL Registrar Errors
      • Registration Suppressed Errors
      • Suppressed Renewal Errors
      • Sync Not Supported Errors
      • TransIP Update Delays
      • TypeError AdditionalFields Errors
      • Unable to Display Pricing Errors
        • Entity Reference Errors
        • Bad User name or Password Errors
        • Enom API cURL Errors
        • Enom Domain Not Found Errors
        • Enom Empty Response Errors
        • Enom Invalid Data Errors
        • Enom User Not Permitted Errors
        • GoDaddy Request Body Errors
        • HEXONET Disconnections and Failures
        • HEXONET Empty Response Errors
        • Namecheap Nameserver Errors
        • Namecheap Registrar Errors
        • Nominet Command Syntax Errors
        • Nominet Connection Errors
        • Nominet Socket Transport Errors
        • OnlineNIC Connection Errors
        • OpenSRS Connection Errors
        • OpenSRS Domain Renewed Errors
        • OpenSRS Order Errors
        • ResellerClub Access Errors
        • ResellerClub Connection Errors
        • ResellerClub Language Code Errors
        • ResellerClub Locked Errors
        • ResellerClub Login Errors
        • ResellerClub Missing Name Errors
        • ResellerClub Pending Actions
        • ResellerClub Telephone Errors
        • ResellerClub Unexpected Errors
        • ResellerClub Unknown Fault Errors
        • ResellerClub Website Errors
        • WebNIC IP Address Errors
        • WebNIC Login Errors
        • WebNIC Partner Failures
      • Troubleshooting System Email
      • Broken Renewal Links in Emails
      • Data Not Accepted Errors
      • Email Flagged as Spam
      • Email Template Syntax Errors
      • Failed Recipients
      • Message Body Empty Errors
      • No Recipients Errors
      • SendEmail Sending Failure
      • Sending Aborted by Hook
      • Sending Aborted Configuration
      • Sending Aborted Errors
      • Smarty Policy Errors
      • Undisclosed Recipients
      • Unsent General Emails
      • Unsent Ticket Notifications
      • Unsent Welcome Emails
        • Microsoft Connection Failures
        • Microsoft Mail Query Errors
        • Could Not Instantiate Errors
        • Undefined PHPMailer Function Errors
        • Sender Verify Failed Errors
        • SMTP Authentication Errors
        • SMTP Connection Errors
        • SMTP Password Command Failed Errors
      • Troubleshooting Installation
      • Duplicate tblconfiguration Errors
      • License Key Required Errors
      • Stuck Installation Process
      • Troubleshooting Invoices
      • Blank Invoices
      • Cancelled Domain Renewal Invoices
      • Duplicate Invoices (Different Dates)
      • Duplicate Invoices (Same Dates)
      • Duplicate tblinvoices Errors
      • Invoices Are Missing Tax
      • Logout During Invoice Download
      • Missing Domain Renewal Invoices
      • Missing Payment Reminders
      • Missing Service Invoices
      • Question Marks in PDF Invoices
      • TCPDF Image Size Errors
      • TCPDF Timeouts
      • Unexpected Invoice Details
      • Unexpected Next Due Date
      • Troubleshooting Licensing
      • Invalid License API Errors
      • Invalid License Errors
      • Invalid Licenses on HostGator
      • No Connection Errors
      • Troubleshooting MarketConnect
      • MarketConnect 404 Errors
      • Promotion Display Issues
        • Instant Issuance Deployment Errors
        • Instant Issuance Not Acquired Errors
        • Instant Issuance Unspecified Errors
        • Instant Issuance Validation Errors
        • Key Generation Failed Errors
        • SSL Provisioning Issues
      • Troubleshooting Orders
      • Invalid Registration Period Errors
      • MaxMind License Key Errors
      • MaxMind License Required Errors
      • MaxMind Request Errors
      • MaxMind User ID Errors
      • Troubleshooting Payments
      • Blank Payment Gateway Page
      • Configuration Function Errors
      • Duplicate Transactions
      • Exchange Rate Update Failures
      • Gateway Module Activation Errors
      • Invalid Access Attempt Errors
      • Invalid Login Credentials
      • Invalid VAT Format Errors
      • Invalid VAT Number Errors
      • MD5 Hash Failures
      • No Gateway Log Entries
      • Oops! Module Not Found Errors
      • Quantum Vault Missing Ending Errors
      • Remote Transaction Failure Errors
      • Unexplained Declines and Failures
      • Unrecorded Transactions
      • Unsupported Protocol Errors
      • User Redirected to Wrong Page
        • 2CheckOut Inline Checkout Crash
        • Authentication Failed Errors
        • PE101 Errors
        • Parameter currCode Incorrect
        • Field is Required Errors
        • Missing Card Fields
        • GoCardless Inactive Token Errors
        • GoCardless Remote Storage Errors
        • iDeal via Mollie Transaction Errors
        • Duplicate Invoice ID Errors
        • Missing PayPal Payments
        • Missing PayPal Subscriptions
        • Orphaned PayPal Subscriptions
        • PayFlow Pro Local Card Errors
        • PayFlow Pro Remote Storage Errors
        • PayPal IPN Failures
        • PayPal Log Entries
        • PayPal Old Transaction Errors
        • PayPal Security Errors
        • PayPal SSL Errors
        • PayPal Transaction ID Errors
        • PayPal® Invalid Receiver Errors
        • PayPal® Not Supported Errors
        • PayPal® Not Working Errors
        • PayPal® Unrecognized Currency Errors
        • Unexpected PayPal Cancellation Emails
        • Skrill Secret Word Errors
        • No Stripe Customer Details Errors
        • Stripe ACH General Errors
        • Stripe ACH Invalid Token Errors
        • Stripe and RBI Regulations
        • Stripe Bad Request Errors
        • Stripe CVC Value Errors
        • Stripe Network Errors
        • Stripe Payment Method Errors
        • Stripe PCI Compliance Issues
        • Stripe Remote Transaction Failures
        • Stripe Statement Descriptor Errors
        • Stripe Try Again Errors
        • WorldPay Invisible NMTOKEN Errors
      • Troubleshooting PHP
      • 500 Internal Server Errors
      • Allowed Memory Exhausted Errors
      • ExceptionLoggingTrait Errors
      • OPcache Warnings
      • PHP Execution Time Errors
      • PHP Tag Errors
      • Required Function Errors
      • Segmentation Fault Errors
      • Smarty Variable Errors
      • TypeError covertIniSize Errors
      • TypeError guessFileExtension Errors
      • Troubleshooting Products and Services
      • Member Function Renewal Errors
      • On-Demand Renewal Unsupported
      • Recommendation Display Issues
      • Service Not Prorated
      • shortDescription Errors
      • Unexpected Service Suspensions
      • Unexpected Service Terminations
      • Troubleshooting Server Issues
      • 406 Not Acceptable Errors
      • Account Creation Failures
      • Product Module Missing Errors
      • Server Deletion Errors
      • Status Monitoring Display Issues
        • Access Denied Errors
        • Action Failed Errors
        • Group Already Exists Errors
        • Invalid cpmod Errors
        • Invalid Numeric Value Errors
        • License Profile Errors
        • Login Failed Errors
        • Missing Username Errors
        • Missing WHM Packages
        • Missing WHM Username Errors
        • Package Not Allowed Errors
        • Package Permission Errors
        • Product Attribute Errors
        • Reseller Subdomain Errors
        • Username Reserved Errors
        • wptoolkitcli Errors
        • _getSSORedirectUrl Errors
        • Blank Command Errors
        • Client Pool Errors
        • Domain Setup Failures
        • Email Not Found Errors
        • Invalid Request Errors
        • Limitations Exceeded Errors
        • Parser Errors
        • Permission Denied Errors
        • Plesk Connection Errors
        • Plesk Login Errors
        • Template Errors
        • Username Required Errors
        • Version Errors
        • www Does Not Work
      • Troubleshooting SSL
      • Certificate Not Detected Errors
      • Certificate Subject Mismatch Errors
      • Insecure Connection SSL Errors
      • Invalid or Corrupt Certificate Errors
      • Outdated root CA Bundles
      • Troubleshooting the Client Area
      • Captcha Verification Failed
      • Client Area Title Display Issues
      • Invalid Site Key Errors
      • Order Now Refreshes the Page
      • Prices Incorrect in Cart
      • Troubleshooting the Database
      • (S)FTP Backup Upload Errors
      • (S)FTP Unable to Open Errors
      • (S)FTP Unable to Write Errors
      • Argument PDOStatement Errors
      • Base Table or View Not Found Errors
      • Column group_id Null Errors
      • Command Denied Errors
      • Could Not Connect Errors
      • Duplicate Entry Errors
      • Field Default Value Errors
      • Large Database Backup Failures
      • Missing Zip Extension Errors
      • MySQL Server Gone Away Errors
      • Order Not Found Errors
      • POP3 General Error 3988 Errors
      • SFTP Backup Login Errors
      • Table Doesn't Exist Errors
      • Unable to Connect Errors
      • Valid Dump Path Errors
      • Troubleshooting the Support System
      • Missing Support Notifications
      • Scheduled Action Failures
      • Ticket ID Not Found Errors
        • Department Access Denied Errors
        • Department Not Found Errors
        • Argument 7 Ticket Errors
        • Attachment Upload Failures
        • Auto-Submitted Header Errors
        • Cannot Connect to Host Errors
        • Connection Refused Errors
        • Duplicate Imported Replies
        • Duplicate Piped DirectAdmin Replies
        • Email Loop Errors
        • Invalid SASL Argument Errors
        • Local Delivery Failed Errors
        • Logon Failure Errors
        • Mail Import Test Failed Errors
        • Microsoft Bad Request Errors
        • Microsoft Connection Errors
        • Microsoft Import Query Errors
        • POP3 [AUTH] Errors
        • POP3 Cron Not Running
        • POP3 Read Failed Errors
        • Single ID Errors
        • Undefined Method Importing Errors
        • Unregistered Address Errors
      • Troubleshooting Updates
      • Application Configuration Errors
      • Automatic Updates Unavailable
      • Check for Updates Failures
      • Fatal Error Fetching Update
      • Feature Issues After Update
      • File Download Errors
      • GuardedForUpdate Errors
      • Legacy Module Removal Errors
      • Network Issue Errors
      • New Version Not Appearing
      • No Existing Installation Errors
      • Update Channel Errors
      • Update Dry Run Errors
      • Update Failed Errors
      • Update Message Validation Errors
      • 9.0 Release Highlights
      • 9.0 Release Notes
      • 9.0 Change Log
    • WHMCS Mobile Apps
  1. WHMCS
  2. Tags
  3. general-system-email

Data Not Accepted Errors

Troubleshoot and resolve Data Not Accepted errors.

Email Flagged as Spam

Troubleshoot and resolve issues with valid email being flagged as spam.

Email Template Syntax Errors

Troubleshoot and resolve email template syntax errors.

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