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Peter Rabbitson wrote:
> John Fawcett wrote:
>> I think that it would be a good idea to add a guard to dbmail to remove
>> existing Return-Path headers so that this problem does not occur.
> 
> Errrr probably not add anything if a duplicate is detected. I definitely
> do not want my headers tampered with unless necessary.

There should only be one Return-Path header and that should be written
by the final delivery agent, so there isn't much alternative here.

> 
>> In the meantime it is probably best to configure the MTA not to add the
>> Return-Path header.
>>
> 
> Email often passes through dbmail twice, so the MTA will not solve
> anything. I have a number of dbmail forwards like:

>
> [EMAIL PROTECTED]: [EMAIL PROTECTED]
>

> so the email loops through the MTA and comes back to the correct
> mailbox. This is to work against stupid forms/systems that do not
> support '+'

it would be a workaround to the current situation where dbmail freaks
out on existing Return-Path headers (and because of that potentially
does not store other headers - like the subject header not being
stored as in bug 685).

Return-Path headers should only be used for final delivery,
so should not be added to forwarded messages. However MTAs should
remove existing Return-Path headers, so I doubt this will be a
problem.

John
> 
> _______________________________________________
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