Rejection due to reverse-lookup failure :)

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Author: Dan Birchall
Date:  
To: exim-users
Subject: Rejection due to reverse-lookup failure :)
Hi again folks,

John Bolding (hi John!) and I have been having a fun day...
first, he couldn't send me mail because his /24 happened to be
within a large block of AGIS addresses (which I'm blocking).
I unblocked his half of it temporarily, but it turns out (as I
learned from his upstream provider, an old acquaintance) that
AGIS has "pulled" reverse resolution on that block - that is to
say, they're the SOA for his netblock, and they're not giving
out his machine's names - so I can't reverse-resolve his address,
and voila, Exim won't let mail through.

There's no configuration option (sorry, John!) as far as I can
see (this is reinforced by Philip's message about this being
something he plans to add...) but from the flurry of mail that's
been flying back and forth between me, John and his upstream,
it looks like things might wind up being renumbered into a block
that AGIS isn't f---ing with.

-Dan

--
Dan Birchall, Internet Systems Administrator - djb@???
16 Straight Communications, Mount Laurel, NJ - 888 4-16STR8 x 131

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