[Dovecot] Thunderbird 1.5 and messages with no Date: header

[Eric]

grant beattie wrote:
> On Tue, May 23, 2006 at 08:42:03PM +0200, Jan Kundrát wrote:
>
>   
>>> but again, it doesn't fix it for all possible cases of where this
>>> problem might occur (different MTAs, configurations, etc.) if we
>>> acknowledge that the client is broken, and a suitable workaround is
>>> possible, I don't think implementing it as a client-workaround would
>>> be a bad thing.
>>>       
>> If the incoming message doesn't contain the Date header, it isn't valid.
>>  Your MDA doesn't conform the the RFC 2822, IMHO.
>>     
>
> indeed, however, we get too much mail that has no Date: header for it
> to be realistic to reject them. upon investigating, Exim has no
> out-of-the-box way to add a missing Date: header, though I can craft
> a configuration to do it.
>
> the reason for asking for a way to implement this workaround in
> Dovecot is so that existing messages and MUAs can "just work".
>   
>   
why not switch to Postfix? I am surprised Exim doesnt do this.  is it 
not that popular an MTA?