On 1999-12-13 21:10:21 +0100, Christoph Hertel wrote:
> So here's the question: Would there be a difference if I stop
> using the '-f'-flag and start using the 'userdb'-file to change
> the 'envelope-from' line in the mail-header?
First of all, there is no such thing as an envelope-from line in the
header. It's transported out-of-band - in the envelope, not in the
message.
Second, using sendmail -f will help with all applications which
explicitly using. If there is an (N+1)st application which doesn't
use it, you risk sending out messages with a bad envelope sender
address. Thus, when your system doesn't have a domain name of its
own, you should actually switch to userdb. Note that you may have
to use some sendmail feature like MASQUERADE_ENVELOPE, but I'm not
really sure about this - I've stopped using sendmail some time ago.
--
http://www.guug.de/~roessler/
