ConfigServer Community Forum

I just spun up a new server to upgrade the OS to Almalinux 8. I purchased a new license to MailScanner FE and had ConfigServer install it on the new system. When the new and old systems swapped IP addresses, MSFE on both servers stopped working up in WHM (i.e. when I visit /cgi/configserver/mailscan...

In MailScanner v9.23 when you Release (resend) a message to someone it indicates that it "modifies the email header To: field" but in fact it inserts a duplicate "To:" header which makes the message RFC 5322 non-compliant. Google automatically bounces these messages so they never...

When CSF is disabled the "imap ALL allow" rule is not needed to check email via IMAP. When CSF is enabled it is needed.

after further investigation the issue is related to WHM 108 and how it implements Host Access Control. In WHM 108 a "sshd ALL deny" blocks both sshd and imap. In prior to 108 a "sshd ALL deny" only blocked sshd. To resolve the issue I placed a "imap ALL allow" before th...

After reviewing the WHM update history, the issue starting occurring prior to the update to 108.0.11.

On one of my servers, on or about Feb 1, 2023, CSF started blocking email connections from any IP address that was not listed in /etc/csf/csf.allow. The Resolving IP addresses in WHM are listed in both CSF.allow and CSF.ignore. I restored the protection_medium profile to make sure it was not a setti...