Hey everyone,
Just upgraded one of my sites from 9.4.8 to 9.5.0 and ran into an issue — SMTP email is broken after the upgrade.
Everything was working fine on 9.4.8. After upgrading, I went to test the mail settings (Dashboard > System & Settings > Email > SMTP Method > Test Mail Settings) and got this error:
“Connection could not be established with host ssl://email-smtp.us-east-2.amazonaws.com:587 — SSL operation failed with code 1 — error:0A00010B:SSL routines::wrong version number”
My setup is Amazon SES, TLS encryption, port 587 — which is pretty standard. The credentials haven’t changed and were working perfectly before the upgrade.
I suspect this is related to the switch from Laminas/Email to Symfony/Mailer mentioned in the 9.5.0 release notes. The new mailer seems to be handling the TLS + port 587 combination differently, which is breaking the connection.
I’ve already raised a detailed bug report on GitHub if anyone wants to follow along or add their findings there.
Has anyone else run into this after upgrading to 9.5.0? And has anyone found a fix beyond changing the port to 465? Would love to know if there’s a cleaner solution.
Thanks!