Re: Fixing graylisting [was TBR]

[Arnt Gulbrandsen]

John Leslie writes:
   It was my understanding that sieve is a "language for filtering
e-mail messages at time of final delivery". If so, the URI fetching 
and message regeneration will already have been done. So I don't see 
a problem here.

Redirect causes a second final delivery to take place, and may change 
the envelope sender between the first and second deliveries.

Arnt