Hi cole_joos
It looks like your controller does not support SSL/TLS.
Sending emails via HTTPS (encrypted) is only supported for Phoenix Contact ILC 1xx controllers. The controllers support HTTPS from firmware version 4.20 or higher and from PC Worx version 6.30.767 or higher (part of AUTOMATIONWORX Software Suite 1.81 including AddOn V1). Only if you have such a controller with suitable firmware, you can use encryption at all.
GMAIL compatibility
Because Gmail always works with maximum security and older SSL/TLS
protocols may not be supported anymore it may be necessary to build the
settings for the SMTP_CLIENT module on the Gmail account.
have to be made. A special hint for this is the SMTP error code 534
at Gmail. Some apps and devices use less secure login technologies.
This makes your account more vulnerable to attack. You can disable access for these apps
disable access for these apps (recommended) or enable access if you want to use the apps
despite the risk.
https://support.google.com/accounts/answer/6010255?hl=deLink for setting change
https://www.google.com/settings/security/lesssecureappsAccess for less secure apps -> Enable
URL example:
TLS://username:password@smtp_server
If all this is not the case then your only option is to use an unencrypted SMTP server via PORT 25. Unfortunately there are only very few providers that still support this.