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Old 02-05-2010, 02:53 PM
"Simon Billis"
 
Default sendmail mail relay backscatter issue.

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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Old 02-05-2010, 03:19 PM
Les Mikesell
 
Default sendmail mail relay backscatter issue.

On 2/5/2010 9:53 AM, 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.

I think it should work to put the smtp2.differentdomain.com in the
virtusrtable target as long as the destination accepts that as a local
name - and you'd have to go out of your way to avoid it if it is the
real hostname or reverse DNS name for the interface.
--
Les Mikesell
lesmikesell@gmail.com

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Old 02-05-2010, 04:51 PM
"Simon Billis"
 
Default sendmail mail relay backscatter issue.

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

> On 2/5/2010 9:53 AM, 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.
>
> I think it should work to put the smtp2.differentdomain.com in the
> virtusrtable target as long as the destination accepts that as a local
> name - and you'd have to go out of your way to avoid it if it is the
> real hostname or reverse DNS name for the interface.

Thanks for your help Les, I'll test it all I think and see what happens.

S.




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