From: Alexey Koptsevich (kopts+asg654haboob.atmosp.physics.utoronto.ca)
Date: Fri Jan 06 2006 - 15:37:52 CST

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Yes it is, thanks! But the bounce will be delivered locally
on the forwarder. Effectively, it will disappear for both sender
and recipient.

I guess there is no easy way to extract the original Return-Path
from the bounce message?

Thanks,
Alex

>> >
>> > If my user forwards his mail somewhere and it happens that
>> > a) somebody sends him a message from the domain with SPF record,
>> > b) the final destination filters mail based on SPF,
>> > then it might be that mail for _my_ user will be dropped.
>> > My question was not whether SPF is right or wrong, but how
>> > can I set up things that mail will be reliably delivered
>> > without controlling where my users forward mail and explaining
>> > tem what is SPF and how it works.
>>
>>This is not your problem. The receiving site and SPF publishing site
>>have elected to not support mail forwarding. The user who wants his mail
>>forward should switch to a provider that does not reject mail based on
>>SPF records.
>>
>> > I saw a procmail-based vacation program, I imagine it would be
>> > possible to create a loop detection based on its priciple. Say,
>> > message IDs for the last 10 min are stored in a database, and
>> > if a message with such ID passed through procmail more than 20
>> > times in 10 min it gets bounced.
>>
>>The loops often involve new messages (bounces of bounces of bounces ...)
>>
>>--
>> Viktor.
>
> Is this pertinent?
> http://www.openspf.org/faq.html#forwarding
>
> Gary V
>
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