Howto check number of emails in the mail queue:

exim -bpc

To check the email ID, sender and receiver of the each email:

exim -bp | more

To delete frozen emails from the mail queue, execute:

exim -bp | grep ‘frozen’ | awk ‘{print $3}’ | xargs exim -Mrm

similarly, to delete emails sent using a script’

exim -bp | grep ‘<>’ | awk ‘{print $3}’ | xargs exim -Mrm

To disable Mailman on a cPanel server, remove the execute permissions of the mailman wrapper

chmod -x /usr/local/cpanel/3rdparty/mailman/mail/wrapper

If you ever want to enable it:

chmod +x /usr/local/cpanel/3rdparty/mailman/mail/wrapper

Update/install latest RoundCube on cPanel
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Introduction

For two small businesses I set up a debian lenny installation on their “home” dsl connection. The problem is that they have dynamic ip addresses and most mailservers will not accept incoming mail from a server on a dynamic ip address. The solution is rather simple. Set up postfix in a way that it will relay the outgoing email through the actual ISP. In this short howto I’ll show you how to do that.
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Sender Policy Framework (SPF) is an extension to the Simple Mail Transfer Protocol (SMTP). SPF allows software to identify and reject forged addresses in the SMTP MAIL FROM (Return-Path), a typical nuisance in e-mail spam.
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