[Dovecot] Over-quota bounces seeming to lack sender

[Timo Sirainen]

On Fri, 2010-08-20 at 16:14 -0700, Dave Brenner wrote:
> We're seeing an issue with 1.2.12 where over-quota rejection messages 
> are appearing in the logs with <> as the sender.

Yes.

> The sender of the 
> original message sees the appropriate sender (postmaster@) on the 
> rejection, but as the message makes its way through the postfix/amavis 
> chain, I can see that the sender address is missing.
> 
> Aug 20 10:55:56 inet1 amavis[21822]: [ID 702911 mail.info] (21822-05) 
> Checking: rGDWxOHFPBdY <> -> <xxxx at toledotel.com>

Looks to me like a broken Postfix/amavis/something configuration. Not a
Dovecot problem.