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MithiWiki Home > ConnectXf Home > ConnectXf Administration > Configuration > Mail via postfix and not being delivered and the lailog shows the error: "Unknown mail transport error"


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Troubleshooting
Product ConnectXf
Version All
Applies to Administrators
Level Advanced



Mail via postfix and not being delivered and the lailog shows the following error: "Unknown mail transport error"

Symptoms:

When you check the maillog, there are errors generated by the postfix service. For example the following command

cat /var/log/maillog | grep 'postfix'

gives the following error

Unknown mail transport error

Probable cause

  • Misconfiguration of the transport file.
  • Corrupt the master.cf file

Resolution

In the file /etc/connectxfpostfix/postfix-<QUEUEID>/transport, there should be no blank lines in the section which specifies the routes.

  • Check the last line, if is a blank line, remove it.
  • Mark the end of the file with a comment
  • Save the file.
  • Run the following command
postmap /etc/connectxfpostfix/postfix-<QUEUEID>/transport

Note: the string <QUEUEID> has to be replaced by the queue name.