I have the same issue, same timeframe. I have a Sharx SCNC2607 that's been protecting my home for many years. No emails for the past couple of weeks. I checked the settings (see below) and noticed that SSL wasn't checked, so I did so. No luck. What to do? Not happy that I am not getting notifications if an unannounced "visitor" shows up at my front door.
SMTP server name:
SMTP server port:
Secure SSL connection:
Edit: huh, I switched to port 465 and it started working again!
... View more