tlug: Sendmail won't deliver from unrecognized host.

[Michael Casinghino <michael@example.com>]

I am having a problem with my sendmail.  I think that sendmail won't
deliver local mail if it cannot find the hostname in the from line via
DNS.  For example, the one today was from
    jwb@example.com
and 
    ping dgs.monash.edu.au  
fails to find the host. So, when fetchmail is trying to get all the
messages from the POP server, if it can't deliver a message it quits
(silently if in daemon mode) and messages accumulate on the POP
server.

Two questions[1]:
Should I turn this off?  If so, how? 

[1] Unless the answer to the first question is no.



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