Note: It is mentioned in the comments that recent versions of cPanel include an Email Archiving feature that stores copies of email on the server for you. If this is what you’re trying to do, this feature is probably the better option. However, if you’re trying to forward copies of outgoing email to other addresses, the […]
Copy Outgoing Email on a cPanel Server with Exim Read Post »
The cPanel security team found an issue in Exim that can potentially allow a user on the system to potentially run commands as the root user. Luckily, cPanel has already released a patch which is available for immediate download via their Exim upgrade script. If your system is set to update cPanel automatically, you may
Exim Privilege Escalation in 4.69-23 Read Post »
cPanel 11.28 introduces an way to easily implement your own RBLs for Exim to perform lookups against. To get started, log into WHM > Exim Configuration Editor and click on the RBLs tab, then Manage custom RBLs. From here, enter in the information for your RBL as follows: The DNS list would be the hostname
Using Custom RBL’s with Exim and cPanel Read Post »
One of the most common problems that hosting providers face is the issue of user email not being delivered to other mail servers. Not only does it annoy the end user, but it’s extremely frustrating for the server administrator to deal with since there’s not always a clear indication of why email doesn’t get delivered
10 Tips for Improving Email Delivery Read Post »
We’ve developed our first cPanel 11.25 cheat sheet, now available for your downloading pleasure. The sheet is comprised of common file, script, and configuration locations for help at a quick glance. [dm]1[/dm] More cheat sheets will be available soon! Check back on our Cheat Sheets page for more.
cPanel 11.25 Cheat Sheet Read Post »
I wrote this nice one-liner for a user in the cPanel forums asking how to change all their current default addresses to :fail: – http://thecpaneladmin.com/files/changedefaultaddr.sh.txt Before you do anything like this, you should back up /etc/valiases. Keep in mind also that you can change the default address for new accounts in WHM > Tweak Settings.
Mass Change Default (Catch All) Addresses Read Post »
I wrote this script a while back to fix the permissions of alias files in /etc/valiases when users were having trouble creating forwarders. You can also download the script in plaintext here. #!/bin/bash # Script to fix permissions of valiases # Written by: Vanessa Vasile 5/17/10 # http://thecpaneladmin.com for domain in `cat /etc/userdomains |awk ‘{print
Fixing Permissions of Valiases Read Post »
When adding an email forwarder you may see an error like this: Fatal! Write Failure: /etc/valiases/thecpaneladmin.com. Ignore any messages of success this can only result in failure! To fix this, run (replace user with username and domain with the domain name) chown user:mail /etc/valiases/domain.com chmod 644 /etc/valiases/domain.com
Fatal! Write failure for /etc/valiases/.. Read Post »
In your Exim logs you may see errors like this: Warning: ACL “warn” statement skipped: condition test deferred: ratelimit database not available temporarily rejected connection in ?connect? ACL: ratelimit database not available This likely means the Exim cache databases are corrupted. You can clear them by running: rm -fv /var/spool/exim/db/* Then restart Exim. The files
Exim ACL Ratelimit Database Not Available Read Post »
