Sendmail debugging: watch queue processing

Posted December 1, 2003 by Rex in Sendmail

In the course of troubleshooting sendmail problems, it is sometimes helpful to watch sendmail do its thing. If there is a backlog of messages in the queue, you can run sendmail manually with a verbose option to make it act as a queue runner and see what it is doing and possibly why it is not doing what you think it should.

To watch sendmail process messages in the queue:

sendmail -q -v

In some operating systems, the sendmail binary is not in the path (in Solaris, for example, you would use /usr/lib/sendmail -q -v). If you need to find the fully qualified path to sendmail, see this tech-recipe.

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