https://docs.whmcs.com/9-1/tags/general-system-email/Recent content in general-system-email onHugo -- gohugo.iohttps://docs.whmcs.com/9-1/troubleshooting/troubleshoot-email/data-not-accepted-errors/Mon, 01 Jan 0001 00:00:00 +0000https://docs.whmcs.com/9-1/troubleshooting/troubleshoot-email/data-not-accepted-errors/Covers five causes of the Data Not Accepted mail server rejection error: mismatched From address and SMTP username, oversized message attachments, blacklisted recipients, SMTP rate-limiting, and the Disable Email Sending setting being enabled in General Settings.https://docs.whmcs.com/9-1/troubleshooting/troubleshoot-email/email-flagged-as-spam/Mon, 01 Jan 0001 00:00:00 +0000https://docs.whmcs.com/9-1/troubleshooting/troubleshoot-email/email-flagged-as-spam/Lists five fixes for emails flagged as spam or rejected: switching from PHP mail to SMTP in General Settings, verifying the sending address is valid, checking the mail server IP against blacklist services, customizing template wording, and confirming SPF and PTR records.https://docs.whmcs.com/9-1/troubleshooting/troubleshoot-email/email-template-syntax-errors/Mon, 01 Jan 0001 00:00:00 +0000https://docs.whmcs.com/9-1/troubleshooting/troubleshoot-email/email-template-syntax-errors/Explains that email-related syntax errors shown in System Logs stem from invalid code in an email template, and gives steps to locate the error’s line number, open the affected template at Configuration > System Settings > Email Templates, correct the code, and save changes.