How do I clear my email queue?

To remove all messages from a particular queue, click the Queues tab. Select a queue, right-click, and then select Remove Messages (with NDR) or Remove Messages (without NDR).

How do I check my mail queue in postfix?

Postfix uses a separate directory for each of the above queues and the default directory for those are:

1. /var/spool/postfix/maildrop. /var/spool/postfix/hold. …
2. # postqueue -p. …
3. # postcat -q “Queue ID” …
4. # postqueue -p | grep -c “^[A-Z0-9]”
5. # postqueue -f.
6. # postsuper -d ALL.
7. # postsuper -d ALL deferred.
8. # postsuper -d “Queue ID”