How to deal with WHM/cPanel Mail Hold Email holding in /etc directory
WHM brings up this message: This message was created automatically by mail delivery software. A message that you sent could not be delivered to one
exim
Connection from [a.b.c.d]… refused: too many connections and Exim
At times your Exim server might be overwhelmed: 2023-11-09 12:04:05 Connection from [188.234.244.30]:3802 refused: too many connections Your server is most likely under attack. Check
How to monitor an Exim queue on a WHM server using SNMP and PRTG
This technique uses an HTTPS connection and PRTG’s integer type to keep track of the queue size. You have to pick a “static” site on
How to manually change the outgoing IP address for email delivery on a WHM/cPanel Server
Background You might resort to changing your WHM server’s outgoing SMTP address as a last resort when your server’s IP address has been blacklisted. The
Fighting SPAM with Exim on WHM/cPanel
Background WHM/cPanel has the excellent MTA called Exim. The default settings are pretty good for keeping SPAM away, but every now and again a particularly