On Sun, 2006-03-05 at 14:38 +0000, leon wrote:
> David Woodhouse <[email protected]> writes:
>
> | On Sun, 2006-03-05 at 14:17 +0000, leon wrote:
> | > Here is /var/log/maillog
> |
> | Connection timed out when trying to contact any host outside cam.ac.uk.
> | That's hardly surprising; the UCS started filtering outgoing port 25
> | from undergrad machines (and indeed any machines not explictly
> | permitted) about a decade ago.
> |
> | Use a smarthost -- probably smtp.hermes.
> |
> | --
> | dwmw2
> Very informative. Thanks.
>
> 1. Can I choose another port to workaround?
> 2. How to delete queue mails in /var/spool/mqueue:
> ? rm -rf /var/spool/mqueue/*
That probably won't work, somewhere a firewall is preventing OUTBOUND
connections to port 25, this is a common practice these days.
What you need to do is:
1) Edit /etc/mail/sendmail.mc and uncomment line 22:
dnl define(`SMART_HOST',`smtp.your.provider')
by deleting "dnl". Replace smtp.your.provider with the correct
smarthost for your network.
2) Stop and restart sendmail (as root):
/sbin/service sendmail restart
All the mail in the queue should now be sent, this might take several
minutes, and future emails should work as well.
Keith.
