Every 5 minutes you get an Email from mailman-owner@your-domain.com explaining that gate_news has done one of the following:

• Timedout
• Permission Denied
• IOError

/usr/local/bin/python2.6 -S /usr/local/mailman/cron/gate_news
Traceback (most recent call last):
File "/usr/local/mailman/cron/gate_news", line 293, in <module>
main()
File "/usr/local/mailman/cron/gate_news", line 268, in main lock.lock(timeout=0.5)
File "/usr/local/mailman/Mailman/LockFile.py", line 243, in lock
self.__write()
File "/usr/local/mailman/Mailman/LockFile.py", line 422, in __write
fp = open(self.__tmpfname, 'w')
IOError: [Errno 13] Permission denied: '/usr/local/mailman/locks/gate_news.lock

Mailman has a sophisticated mail-to-news gateway feature. It can independently gate messages from news to mail and vice versa, and can even be used to manage moderated newsgroups. http://gnu.j1b.org/software/mailman/mailman-admin/node27.html

If you are using MailMan as a simple mailing list server then this feature could be turned off. If you are using this feature then this tutorial does not apply to you.

As root run the following command: http://mail.python.org/pipermail/mailman-users/2008-February/060246.html

crontab -u mailman -e

It should open up MailMan's cron config file in VI

Look for the line that read:

0,5,10,15,20,25,30,35,40,45,50,55 * * * * /usr/local/bin/python2.6 -S /usr/local/mailman/cron/gate_news

You can then comment it out with a # or delete the line all together.

Assuming VI is your default text editor, hit esc then shift + : then type wq

Once you "Write and Quit" VI go ahead and restart the Cron Deamon:

/etc/rc.d/cron restart