Is there a way to disable access to the Compose button in PGP Universal Web Messenger?
Hi. There's no quick version of it, but you can do most things by customizing the template used.
Use this with caution!
PGP Universal Web Messenger Customization Notice
Improper implementation of PGP Universal Web Messenger customization may introduce security vulnerabilities as well as cause application malfunctions. Web development knowledge is required for Advanced and Complete customization. Please refer to the PGP Universal Administrator's Guide for more information regarding the customization of PGP Universal Web Messenger.
Services > Web Messenger > Add Template > Complete Customization > Choose to download All Default Web Messenger Template Files.