Cherubini Enrico wrote:
> Hi,
> I'm using exim 3.35 on my debian system, with amavis and a virus scan
> engine. It happens that I find many messages in the queue like this:
>
> 53d 2.2K 18ybO6-0004Nw-00 <> *** frozen ***
> email@???
>
> what does the absence of the sender address means ? Is there a way to avoid
> this ?
It's a bounce-message, generated from exim to be send back to the
original sender, the empty address is used to prevent bounce-loops.
You can't do much here, check the docs for sender-verification+callout
and for settings regarding automatic removal of frozen bounces.
Nico