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qshape activeshows the number of emails being sent to each domain and how long they have been in the active queue qshape deferredshows the number of emails in the deferred queue for each domain and how long they have been there== Send Mail Test ==check if postfix can send emails echo "Hello this is a test." | mail -s "Testing" admin@foo.comfollow the message by watching the log - the -f follow tells tail to actively display log activity. Be advised there is a timeout in which tail will fail to follow. tail -f /var/log/mail.log[[Category:Computer_Technology]][[Category:Linux]]