I was using SMTP notification delivery successfully to deliver notifications, reports, etc. It stopped working, but I don't recall exactly when. Not really critical, as this is only for my home network :)
I am using gmail's SMTP relay using TLS on port 465.
I was using the latest stable version. What is odd, is if I do a packet capture with wire shark, I couldn't even see PRTG trying to connect to the server. If I did a telnet to smtp.gmail.com on 465, it showed up correctly.
If I disable encryption, I could see it try to connect (unsuccessfully of course)
I tried to move to the preview channel, and had the same issue with 188.8.131.529.
Recently with the update to 184.108.40.2066, it seems to be making it further, as I can see it try to connect. I see the 3way handshake with google's server (Syn, Syn-Ack, Ack) complete successfully, but then PRTG sends a FIN without any data.
Is there something that I can look at to figure out what is broken?
Don't really want to reload the machine if I don't have to.
Thanks in advance.