nastygram

from Jargon File (4.4.4, 14 Aug 2003)

nastygram
 /nas'tee.gram/, n.

   1. A protocol packet or item of email (the latter is also called a
   {letterbomb}) that takes advantage of misfeatures or security holes on
   the target system to do untoward things.

   2. Disapproving mail, esp. from a {net.god}, pursuant to a violation
   of {netiquette} or a complaint about failure to correct some mail- or
   news-transmission problem. Compare {shitogram}, {mailbomb}.

   3. A status report from an unhappy, and probably picky, customer.
   "What'd Corporate say in today's nastygram?"

   4. [deprecated] An error reply by mail from a {daemon}; in particular,
   a {bounce message}.

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

nastygram

   <networking> /nas'tee-gram/ 1. A {network} {packet} or
   {e-mail} message (the latter is also called a {letterbomb})
   that takes advantage of misfeatures or security holes on the
   target system to do untoward things.

   2. Disapproving e-mail, especially from a {net.god}, pursuant
   to a violation of {netiquette} or a complaint about failure to
   correct some mail- or news-transmission problem.  Compare
   {shitogram}, {mailbomb}.

   3. A status report from an unhappy, and probably picky,
   customer.  "What did Corporate say in today's nastygram?"

   4. [deprecated] An error reply by mail from a {daemon}; in
   particular, a {bounce message}.

   [{Jargon File}]

   (2004-02-17)