Email

1. Email error "retry time not reached for any host" Interpret Exim's deferral, trace the earlier MX, DNS or connection failure at the recipient and decide whether to wait, resend or review the queue. 3 min · Reviewed 09/2026 →
2. .eml files blocked by mail servers Diagnose the rejection of an .eml attachment from the exact SMTP event and offer alternatives, without promising that compressing it gets past security filters. 3 min · Reviewed 10/2026 →
3. Gmail flags emails as possible spoofing Diagnose Gmail's spoofing warning from the SPF, DKIM and DMARC results and authorise only the infrastructure that actually sends. 2 min · Reviewed 09/2026 →
4. Gmail: "You no longer have access" when sending from an external address Diagnose why Gmail has lost access to a sending address, check the mailbox and SMTP first and add it again only when you need to. 4 min · Reviewed 09/2026 →
5. Emails that disappear from the server from time to time Find where the messages disappear and check protocol, devices, retention, filters and cPanel actions before blaming the email client. 2 min · Reviewed 09/2026 →
6. Why some emails end up in spam and how to diagnose it Tell an SMTP rejection apart from delivery to spam and check authentication, reputation, content and recipient signals before sending again. 4 min · Reviewed 10/2026 →
7. Check whether Avast is blocking SMTP sending in Outlook or Thunderbird Isolate an SMTP timeout by checking the connection first and running a temporary test of Avast's Mail Shield without leaving protection switched off. 2 min · Reviewed 09/2026 →
8. Domain x.com has exceeded the max defers and failures per hour What this email block means, why it isn't a limit of ten messages and how to find and fix the rejections that trigger it. 4 min · Reviewed 09/2026 →
9. SMTP authentication error in Outlook or Thunderbird Diagnose SMTP authentication rejections by their exact code and set the server, encryption, port and username using cPanel's current details. 3 min · Reviewed 09/2026 →
10. Internal server error when accessing email through Webmail Tell an internal Webmail error apart from a quota warning and check the mailbox, total disk space or logs depending on the exact message. 2 min · Reviewed 09/2026 →
11. How to turn on PHPMailer debug mode and diagnose SMTP errors Turn on PHPMailer's SMTP logging safely, interpret the server's responses and pinpoint connection, TLS and authentication failures. 4 min · Reviewed 09/2026 →
12. Check whether an email account is sending authenticated spam Tell bounces caused by a forged sender apart from authenticated sending, and contain a compromised account without pinning the access on a specific device. 2 min · Reviewed 09/2026 →
13. Spam received from my own email address Tell a forged sender apart from a real send using headers and Track Delivery before ruling out access to the account. 2 min · Reviewed 09/2026 →

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