[TriLUG] Re: Port 25 blocked

Stephen Hoffman srhoffman at bellsouth.net
Tue May 18 13:38:59 EDT 2004


Well, you've moved on to greener pastures, but you CAN relay any
domain...you have to set them up as a SMART relay (I'm not yelling, just
plain text emphasizing) in sendmail it means:

# "Smart" relay host (may be null)
DS[mail.bellsouth.net]

which hasn't failed me yet...unless you cound the fact that no one can
reply to that received message!?!?

Steve

> On Tue, May 18, 2004 at 01:17:12PM -0400, Stephen Hoffman
> <srhoffman at bellsouth.net> wrote:
>> I agree...to a point...if you can't send email out port 25...then is
>> there
>> really a worry about you becoming an open relay...I say open inbound 25
>> and keep outgoing closed.  This way should someone make a mistake and be
>> open to the world, BS will catch it because you can only smart relay
>> through them, you'll be pushing thousands of emails through THEIR server
>> a
>> day...
>>
>> Then punish the HELL out of that fool!
>>
>> My $.02
>
> the problem I had with this plan is that their server only allowed
> relaying of messages from @bellsouth.net addresses (and their associated
> subsidiaries).
>
> David
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