Re: How to set up a shadow server

2021-08-18 Thread Wietse Venema
Wietse Venema: > Ron Garret: > > Is there an easy way to tell postfix to send a copy of every message > > it receives to a ?shadow server? in a way that preserves the SMTP > > envelope? I?m trying to tune a spam filter on actual data, but I > > don?t want to do it on my production server because t

Re: How to set up a shadow server

2021-08-18 Thread Wietse Venema
Ron Garret: > Is there an easy way to tell postfix to send a copy of every message > it receives to a ?shadow server? in a way that preserves the SMTP > envelope? I?m trying to tune a spam filter on actual data, but I > don?t want to do it on my production server because the tuning is > likely to

How to set up a shadow server

2021-08-17 Thread Ron Garret
Is there an easy way to tell postfix to send a copy of every message it receives to a “shadow server” in a way that preserves the SMTP envelope? I’m trying to tune a spam filter on actual data, but I don’t want to do it on my production server because the tuning is likely to break things. Than