​Cannot send email through Gmail SMTP server: wrong version

[dto]

What happened?

I get the error message shown in the logs when trying to send invites through Gmail SMTP. It reports "wrong version". Supposedly this relates to TLS settings? Or authentication...

Distribution version

Linux

What browsers are you seeing the problem on if you're using web version?

Chrome, Firefox

Are you self-hosting?

• Yes

Relevant log output

[Nest] 109  - 11/20/2024, 2:16:20 PM    WARN [WorkspaceResolver] failed to send 3804357b-52c6-4a37-9947-30e7eaf5a189 invite email to REDACTED@EMAIL, but successfully revoked permission: Error: 805C9257FC7E0000:error:0A00010B:SSL routines:ssl3_get_record:wrong version number:../deps/openssl/openssl/ssl/record/ssl3_record.c:354:

[Nest] 109  - 11/20/2024, 2:16:20 PM   ERROR [WorkspaceResolver] failed to invite user
[Nest] 109  - 11/20/2024, 2:16:20 PM   ERROR [WorkspaceResolver] internal_server_error: An internal error occurred.

Anything else?

version info

[dto]

I've now tried 3 different SMTP servers, differing ports and values of SECURE, and still get "wrong version"