@danphilpott great paper. 550 code error leaks are nasty, breaking SMTP is nastier. Outsource the MX and ignore RFCs on MTA 550s.

Posted on Twitter over 16 years ago and archived here at /twitter/2009/09/29/tweet-4486338117/ in the Twitter collection.
Proximate posts in the Twitter collection
newer Twitter post from September 30, 2009, 4487215670 30 September 2009
this post Twitter post from September 30, 2009, 4486338117 30 September 2009
older Twitter post from September 29, 2009, 4477498858 29 September 2009
Proximate posts in the General collection
newer Twitter post from September 30, 2009, 4487215670 30 September 2009
this post Twitter post from September 30, 2009, 4486338117 30 September 2009
older Twitter post from September 29, 2009, 4477498858 29 September 2009