chiark / gitweb /
lists.m4, exchange.m4: Check for bogus addresses when doing DNS lookups.
authorMark Wooding <mdw@distorted.org.uk>
Wed, 19 Jul 2017 09:46:08 +0000 (10:46 +0100)
committerMark Wooding <mdw@distorted.org.uk>
Wed, 19 Jul 2017 09:46:08 +0000 (10:46 +0100)
commitb96f02cfaef5a7eef4f6decc651955405e2fe099
tree9b4ca3113447e51afc7a98e1680fe7416dcd8b22
parent2f2fc64da4fd3e3edb06589a5e7dd0f3e958a40b
lists.m4, exchange.m4: Check for bogus addresses when doing DNS lookups.

Inspired by Chris Siebenmann's `How not to set up your DNS' series; see
https://utcc.utoronto.ca/~cks/space/blog/__Index.
exchange.m4
lists.m4