Michael J Wise: > On Dec 9, 2010, at 2:12 PM, Wietse Venema wrote: > > > Michael, thanks for helping. > > Most welcome, glad I could help. > > Just out of curiosity, and because so many back at the ranch are asking... > Does anyone know if this problem just surfaced, or has been a > latent issue for a long time? How long has this been going on?
I recall that until perhaps the middle of this year, FrontBridge was running on top of a version of Postfix (see below). I suspect that the PIPELINING problem started after that MTA was replaced by a Microsoft MTA, which happened in or before August 2010. Wietse http://web.archive.org/web/20070821064858rn_1/technet.microsoft.com/en-us/exchange/bb288511.aspx (see example with "220 mail77-red.bigfish.com ESMTP Postfix EGGS and Butter")