https://docs.whmcs.com/9-1/tags/rfc-3834/Recent content in rfc-3834 onHugo -- gohugo.iohttps://docs.whmcs.com/9-1/support/email-importing/Mon, 01 Jan 0001 00:00:00 +0000https://docs.whmcs.com/9-1/support/email-importing/Compares email importing to email piping, lists supported providers (POP3, IMAP, Google, Microsoft Entra ID) and OAuth2 security benefits, explains RFC 3834-compliant headers, and describes the conditions under which the Allow Insecure Imports setting causes WHMCS to block support email replies.https://docs.whmcs.com/9-1/support/email-piping/Mon, 01 Jan 0001 00:00:00 +0000https://docs.whmcs.com/9-1/support/email-piping/Explains configuring the pipe.php file and copying the Ticket Importing using Email Forwarders command from Support Departments settings, compares email piping to email importing, and covers RFC 3834-compliant headers and the Allow Insecure Imports setting that blocks unregistered or unassociated senders’ replies.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.