Email Server and DNS

Sun Nov 3 16:49:32 UTC 2013

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

On 11/3/2013 8:39 AM, rwebb at ropeguru.com wrote:
> So I figured a little break from the NSA was in order.
> 
> I am looking for some info on current practice for an email server 
> and SMTP delivery. It has been a while since I have had to setup an
> email server and I have been tasked with setting up a small one for
> a friend. My question centers around the server sending outgoing
> email and the current practices requirements for other servers to
> accept email Things like rDNS, SPF records, etc...
> 
> I am pretty much set on the issue of incoming spam and virus. 
> Probably overkill but it is checked at the Sophos UTM firewall and 
> at the email server itself.
> 
> Thanks,
> 
> Robert
> 

MX, PTR, and SPF are really all you need. I would recommend you go a
step further and use DKIM, ADSP, and DMARC. It will help keep asshat
spammers from flaming your domain all over the internet.

I use http://www.unlocktheinbox.com/ to verify my configuration.

- -- 
- -Bret Taylor
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v2.0.20 (MingW32)
Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/

iQEcBAEBAgAGBQJSdn6aAAoJEFL3ObmpFQy/GG8H/1WnDVLF/53rE+JjxscUOTBj
JLppOrSGGHnOB3HtljJt6g7T0ehA2ZNGjVUG7q22G8fJ76br6Ih3eRGLaYDycgkb
FPB/lhs2C9yWBlwSjZ6zE8ufATPj1gIU9QIx2Tq+9ndcXMUtVjiLHfpUd1PNVORE
jL7PSD2alSSoa29e3BXx1/reCtRPTH3FgAu7WDTwV0LL15hTx5n7gpBae7WtUcWq
Yt9nwTGp2XAbZ7pJKDAuoqOQKACwBo2WdVDJwDj7Tn8W4XzY+pTWoQzquqTrR8At
jhyGI9L1JIanHnYuGzZUX12JCmkOmu9f2QuqZygJ7ieZ8KvnYQPeFsXM/vVcsVQ=
=ADhR
-----END PGP SIGNATURE-----