This is a quick walk through on how to set up domain keys on Centos 5 using sendmail. It should also be very similar for Redhat or Fedora.
Domainkeys is a method mostly used by yahoo to verify that the sender of an email is valid. I did notice that gmail changes the domainkeys header line [...]
Posted on March 9th, 2010 by Denie
Filed under: BASH, CentOS, Linux, Sendmail, Tutorials | No Comments »
Most of them involve changing the daemon’s configuration in /etc/sendmail.mc and rebuilding sendmail.cf
Specific things that can affect performance:
dnl # Sendmail, Chap 24.9.13, Page 955
dnl # Disable re-write of queue control file (will result in duplicates
dnl # if the daemon is interrupted during a delivery)
define(`confCHECKPOINTINTERVAL’,`0′)dnl
Posted on December 9th, 2009 by Denie
Filed under: Linux, Sendmail, tips | No Comments »
Source: [click here]
Max 30 mins work.
However, life is rarely so simple.
yum search dkim didn’t find anything.
So, based on what I could find, I ended up here. Downloaded dkim-filter
2.4.1 and went on an epic voyage of discovery into the RFCs and other stuff.
I just want to install, configure and run the thing!
Posted on August 15th, 2009 by Denie
Filed under: Linux, Sendmail | 1 Comment »