Forum Discussion
wm77-
Sep 24, 2022Copper Contributor
SMTP service unavailable
Can someone pls tell me how to solve this error when i tried to send an email:
SMTP service unavailable: AUTH failed with "550 5.7.67 TLS 1.0 and 1.1 are not supported by your organization. Please contact your administrator.
1 Reply
- As the message suggests, you are trying to connect via outdated protocols. Enable TLS 1.2/disable older versions and try again.