[Bug 879460] Re: package postfix 2.8.5-2~build1 failed to install/upgrade: ErrorMessage: subprocess installed post-installation script returned error exit status 75

[Clint Byrum]

Hy krypto_est, thanks for taking the time to file this bug report.

Error code 75 is usually caused by an invalid hostname which postfix
rejects. Check /etc/hostname and /etc/mailname and make sure they are
valid internet hostnames, no puncutuation except -'s and .'s, and that
they only begin with letters.

(side note, there is code in 11.10's postfix package to help user's
identify this problem before reporting it as a bug, I assume that this
wasn't triggered because it happened during upgrade, before said code
had been put in place by apport).

** Changed in: postfix (Ubuntu)
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/879460

Title:
  package postfix 2.8.5-2~build1 failed to install/upgrade:
  ErrorMessage: subprocess installed post-installation script returned
  error exit status 75

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