I noticed that for alert central in the mail config you can specify if you are requiring SSL/TLS. Yet every time I check the settings and/or checkbox for SSL/TLS, only the custom SMTP port is preserved.
For example: I require IMAP port 993 w/SSL and SMTP port 587 with SMTP. Yet, here is what I see even after saving settings:
Also/on the same note, emails don't seem to go out.