Re: Authentication warning on sender ... yuck

[Hrvoje Niksic <hniksic@iskon.hr>]

Kai.Grossjohann@CS.Uni-Dortmund.DE (Kai Großjohann) writes:

> Harry Putnam <reader@newsguy.com> writes:
> 
> > I've been noticing this line in my messages:
> > Authentication-Warning: reader.ptw.com: reader set sender to blah blah 
> 
> Gnus is invoking sendmail with the -f switch.  The variable
> message-sendmail-f-is-evil can be set to avoid this.

Argh, but *why* is it using the `-f' switch?  I don't really want to
turn it off before I understand why it's there in the first place.


Doug Bagley <doug@deja.com> writes:

> I solved it on my end by adding myself as a trusted user to my
> sendmail.cf, check out this section if you have it in your
> sendmail.cf:

Same here -- I'm not sure whether I really want to be a "trusted user"
and why.  What if someone else wants to use Gnus on my machine?  Need
he be a trusted user too?

Can someone who understand these matters explain what's going on?