JGCovalt
Dec 29, 2023Nimbostratus
SMTP Traffic Forward to M365 on Port 587
We're working on tranisitioning away from using our internal Exchange servers for SMTP, and instead pointing to M365 directly via the F5. I have had success sending anonymous traffic on port 25, but ...
- Dec 29, 2023
hi JGCovalt, congrats on inheriting the BIG-IP! Welcome to the community, and hopefully we can assist. Just a couple comments/resources to get you thinking before the long weekend:
- Currently, do you have only port 25 virtual server and port 25 pool members, or do you have listeners/pool members for both 25/587?
- Do you need to observe/act on secured mail arriving from client or server, or just route it?
- Solutions for supporting cleartext and tls-encrypted mail
- Codeshare - https://community.f5.com/t5/codeshare/starttls-server-smtp-with-cleartext-and-starttls-client-support/ta-p/287751
- Codeshare - https://community.f5.com/t5/codeshare/smtp-start-tls/ta-p/291390
- Article - https://community.f5.com/t5/technical-articles/advanced-irules-smtp-start-tls/ta-p/287499