Postqm
What?
Postqm finds, reports on and processes entries in the Postfix mail queue.
How?
Postqm parses the output from postqueue -p and
lets you filter entries based on fields in the queue
output or at the cost of calling postcat for each
message you can use the names of headers.
License
Postqm is released under the Gnu general public license.
Download
See the download page for distribution tarballs and git access.