[CentOS] sendmail mail relay backscatter issue.

Simon Billis simon at houxou.com
Fri Feb 5 15:53:52 UTC 2010


Les Mikesell sent a missive on 2010-02-05:

> Simon Billis wrote:
>> Les Mikesell sent a missive on 2010-02-05:
>> 
>>> Simon Billis wrote:

>>SNIP

> 
> What are you currently using in mailertable to get there?  If you use
> [domain] and go to the A record of the same name it might be a problem
> - but that might work if you try it.  Where I've used it, the delivery
> hosts had their own names that they'd accept in the envelope and the
> [IP.address] form would also work.

Currently I have this in the mailertable:
domain(1).com                     smtp:smtp2.differentdomain.com
domain(2).com                     smtp:smtp2.differentdomain.com
...
Domain(n).com                     smtp:smtp2.differentdomain.com

I think that I'm going to have to test this out and see what happens.

S.







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