barfmail

from Jargon File (4.4.4, 14 Aug 2003)

barfmail
 n.

   Multiple {bounce message}s accumulating to the level of serious
   annoyance, or worse. The sort of thing that happens when an
   inter-network mail gateway goes down or wonky.

from The Free On-line Dictionary of Computing (8 July 2008)

barfmail

   <messaging> Multiple {bounce messages} accumulating to the
   level of serious annoyance, or worse.  The sort of thing that
   happens when an inter-network {mail gateway} goes down or
   misbehaves.

   [{Jargon File}]

   (1996-01-05)