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Re: [fetchmail]exit on "couldn't find canonical DNS name"

2001-03-23 09:35:57
Yeah, I agree. Can we make it an option? 

F

--- Rob MacGregor <rob_macgregor(_at_)hotmail(_dot_)com> wrote:
From: "Eric S. Raymond" <esr(_at_)thyrsus(_dot_)com>

Still a bad idea.  Such unresolved hosts would
never be queried for the
rest of the fetchmail daemon's lifetime -- you'd
invisibly fail to get
mail that was waiting for you.

Ok, so why not arrange it so that if it fails to
resolve a host, it waits 
for a definable period (defaulting to, say, an hour)
and then trys again.

Errors should be made obvious so they can be fixed
oor worked around.

I'd agree, but stopping ALL incoming email just
because one host is broken 
is a significant pain.  If a DNS lookup fails, why
not simply stick an entry 
in the log and drop the defined postmaster a warning
(rate limited of 
course).  Drop them a new message when things start
working again.

I've been through the pain of this recently, but
because of the way 
fetchmail works it was mostly invisible to me that
things had stopped.  The 
local area had suffered a power outage during the
night.  All my systems 
recovered quite happily and I was none the wiser.

However, at the same time one of my mailhosts didn't
resolve, so fetchmail 
refused to start.  Since I have quiet email days
(now and again) I didn't 
pay to much attention until 2 days had gone by...

For my 2 <insert small denomination coin here>
worth, why not provide it as 
an option - one that by default is disabled?  That
way, almost everybody 
"wins".

Rob

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