Morning,I have had this happen recently too, but I was moving from ssmtp to exim on wheezy, using aptitude to remove ssmtp first allowed exim to install. There are many mentions of this error, some very old, but this one seems to give an clue at least.
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=188161The most relevant things seem to be the Essential tag, but also the fact that apt is not giving a helpful error, finding exactly which package is causing the problem may be difficult.
Just did a quick check and this does not happen on a couple of Lenny systems, or Squeeze systems with very few other packages installed. Finding the actual cause could be painful, it would be nice if Apt gave more information.
Regards Jon Quoting Slavko <li...@slavino.sk>:
Ahoj, D?a Sat, 9 Apr 2011 13:12:23 +0200 Andreas Metzler <ametz...@downhill.at.eu.org> napísal:works for me:nice to know. except cron, the proces for me was similar, only ends with mentioned error, i have no special APT settings in this system... can be this caused by some other package(s), which depends on mta? -- Slavko http://slavino.sk
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