[CentOS] Sendmail forwarding external email sent to root
lists at benjamindsmith.com
Thu Apr 16 04:02:49 UTC 2009
Three ideas come to mind:
1) announce a different public name than the local machine name.
A) EG: machine name:donttellanyone.theservername.com
public (DNS) name: www.theservername.com
B) Then set up virtusertable entry routing
root at donttellanyone.theservername.come to your email address.
C) edit /etc/aliases so that "root: | /dev/null "
2) start using greylisting! Milter-greylist works well w/sendmail for light-
medium load machines. =)
3) Turn off inbound email on port 25, if you can.
On Wednesday 15 April 2009 18:57:57 Neil Aggarwal wrote:
> On a CentOS5 machine I set up for a client, in /etc/aliases,
> I set root's mail to forward to my email address so I can
> get notices from cron, etc.
> Unfortunately, I am now getting a lot of spam which is
> sent to root at theservername.com
> How can I tell sendmail to not accept external email to
> I searched the Internet and found some horribly convoluted
> solutions. There has to be a simple way to do this, like
> putting a line in sendmail.mc or something.
> Anyone know a good solution?
> Neil Aggarwal, (832)245-7314, www.JAMMConsulting.com
> Eliminate junk email and reclaim your inbox.
> Visit http://www.spammilter.com for details.
> CentOS mailing list
> CentOS at centos.org
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