These forums are locked and archived, but all topics have been migrated to the new forum. You can search for this topic on the new forum: Search for Show more than 20 messages in Postfix Queue on the new forum.
Web Hosting and Cloud Computing Control Panels
Howdy,
If you perform a search, that will show all results on the same page.
Alternatively, if you go into Webmin -> Servers -> Postfix -> Module Config, you can set "Mail messages to display per page" to your preferred value.
-Eric