[Dovecot] RFE: please add Return-Path: to sieve sent mail headers

[Reindl Harald]

Am 16.05.2014 21:03, schrieb Oscar del Rio:
> On 05/13/14 03:02 PM, Stephan Bosch wrote:
>>
>> Use of NULL envelope sender is generally recommended to prevent mail loops
> 
> Unfortunately, many servers out there reject emails with NULL sender.
> Some recent examples (real server names edited) 

*that* are not compliant mailservers - period

they also break sender verification and what not else

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