https://docs.whmcs.com/9-1/tags/mail-providers/Recent content in mail-providers onHugo -- gohugo.iohttps://docs.whmcs.com/9-1/troubleshooting/troubleshoot-email/troubleshooting-system-email/Mon, 01 Jan 0001 00:00:00 +0000https://docs.whmcs.com/9-1/troubleshooting/troubleshoot-email/troubleshooting-system-email/Indexes email troubleshooting categories with links to articles on general email issues, sending failures, Microsoft and PHP Mail provider issues, SMTP debugging steps (via the Mail tab Debugging option and System Logs), support ticket email, renewal/payment reminder emails, and email template problems.https://docs.whmcs.com/9-1/system/general-settings/general-settings-mail/Mon, 01 Jan 0001 00:00:00 +0000https://docs.whmcs.com/9-1/system/general-settings/general-settings-mail/Compares the PHP Mail, SMTP, MailGun, Microsoft, SendGrid, and SparkPost mail provider configuration requirements, and documents Disable Email Sending, Disable RFC3834 Headers, Global Email Signature/CSS/Header/Footer, System Emails From Name/Email, BCC Messages, and Presales Form Destination settings.https://docs.whmcs.com/9-1/system/email/mail-providers/Mon, 01 Jan 0001 00:00:00 +0000https://docs.whmcs.com/9-1/system/email/mail-providers/Lists the supported mail providers (Google, Mailgun, Microsoft, PHP Mail, SendGrid, SMTP, SparkPost) with their OAuth2 support status and setup instruction links, configurable in the Mail tab of General Settings.https://docs.whmcs.com/9-1/system/email/email-tutorials/use-google-for-system-mail/Mon, 01 Jan 0001 00:00:00 +0000https://docs.whmcs.com/9-1/system/email/email-tutorials/use-google-for-system-mail/Walks through configuring SMTP with smtp.gmail.com on port 465 and OAuth2 authentication in the Mail tab, creating the Google Cloud OAuth consent screen and client ID, connecting the account for a Connection Token, and enabling SMTP debugging for troubleshooting.https://docs.whmcs.com/9-1/system/email/email-tutorials/use-microsoft-for-system-mail/Mon, 01 Jan 0001 00:00:00 +0000https://docs.whmcs.com/9-1/system/email/email-tutorials/use-microsoft-for-system-mail/Covers setting Friendly URLs to a non-Basic mode, selecting Microsoft as the Mail Provider and copying the Redirect URL, registering a Microsoft Entra app with that redirect URI, entering the Application (client) ID and Client Secret, connecting an account, and setting System Emails From Name to match.https://docs.whmcs.com/9-1/system/email/email-tutorials/use-other-providers-for-system-mail/Mon, 01 Jan 0001 00:00:00 +0000https://docs.whmcs.com/9-1/system/email/email-tutorials/use-other-providers-for-system-mail/Gives the steps to select Mailgun, SendGrid, or SparkPost under Configure Mail Provider on the Mail tab, enter each provider’s settings, and test and save the configuration, noting the required SendGrid Mail Send and Mail Settings API key permissions.https://docs.whmcs.com/9-1/system/email/email-tutorials/use-smtp-for-system-mail/Mon, 01 Jan 0001 00:00:00 +0000https://docs.whmcs.com/9-1/system/email/email-tutorials/use-smtp-for-system-mail/Lists the common SMTP port numbers by SSL type (None, SSL, TLS), gives steps to configure SMTP settings and test the connection under Configure Mail Provider, how to create an SMTP email account in cPanel, and how to enable Debugging for SMTP troubleshooting.