cPanel KnowledgeBase and Troubleshooting, cPanel Server Fixes and Tutorials

The Mail Queue Manager allows you to view, delete, and attempt to deliver queued messages that the system has not yet delivered to their destinations. This article explains how to Manage Exim Mail Queue Manager in WHM panel. Connect your WHM >> Email >> Mail Queue Manager View queued emails Use below steps on your page, […]

Email / Exim server troubleshooting techniques. You can use the following email server troubleshooting options in your cpanel. Mostly used this command to find spam emails and bulk email senders. You can also refer mostly used exim commands, also you can refer options in WHM – > Tweak Settings – > mail Email server troubleshooting […]

[Wed Sep 04 04:32:11 2013] [error] [client 115.99.248.238] sendmail: Not running with correct effective GID.  Is sendmail binary setgid mailtrap?, It may be the problem with your sendmail binary permission problem. You should check your current ownership and permission. sendmail: Not running with correct effective GID. Is sendmail binary setgid mailtrap? ls -la  /usr/sbin/sendmail -rwxr-sr-x […]

If you have IMAP and POP3 authentication constantly fails and having problems with your mail clients. Large  IMAP and POP3 authentication request, It may be DOS attack. Check your cPHulk Brute Force Protection, Look under “Login/Brute History Report” if cPHulk is enabled and see if any of your email accounts have been locked out for […]

POP before SMTP authentication allows you to send messages via a POP mail server for 30 minutes before you will need to re-authenticate a session through SMTP. POP before SMTP authentication is disabled in WHM by default. To enable this option, navigate to WHM’s Service Manager (Home >> Service Configuration >> Service Manager) and select […]

By default Exim will be using the main server shared IP address to send mails. If the main server IP is listed in any spam database, then we will not be able to send mails. In order to fix this, we can change the Exim mail server IP to any other secondary IP which is […]

You can use the following most used cpanel server exim commands Show the mail in queue for $name exim -bp|grep $name View message header exim -Mvh $MSGID View message body exim -Mvb $MSGID Force delivery of message exim -M $MSGID View the transact of message exim -v -M $MSGID Force delivery of one message exim […]