Re: LYNX-DEV Makefile for sco5 and sendmail...

[Bela Lubkin]

John DuBois wrote:

> } Results: both MMDF's "sendmail" and "submit" added annoying extra lines,
> } but submit's was much more annoying.  "sendmail" added:
> } 
> }   Sender: address@hidden
> } 
> } even though that was the same as the From: line.  "submit" added:
> } 
> }   Source-Info:  From (or Sender) name not authenticated.
> } 
> } which is really annoying.
> 
> Note that this message will will only be added when it is appropriate, namely:
> 
> If MMDF is misconfigured such that a legitimate name for the local host 
> doesn't
> appear in local.chn.
> The user submitting mail puts a user name on the From: line that does not
> resolve to the invoking process' uid.
> The user submitting mail puts a host name on the From: line that is not one of
> the local host's names.
> 
> In other words, MMDF is making a very sensible effort at preventing users from
> forging mail through its facilities.  The only reason execmail doesn't do it 
> is
> that execmail is made setuid root in a misguided circumvention of this effort.
> Of course, if you're not taking advantage of any of the many mail queuing and
> error reporting options that can only be set by invoking submit directly, you
> might as well use the sendmail front end for simplicity's sake.

Ah, thanks, that's right.  My test message was from
"address@hidden", so those were legitimate complaints.  Duh.

>Bela<
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