Do not attempt to TLS encrypt SMTP traffic when connecting to local postfix with only a self-signed certificate.
Do not attempt to TLS encrypt SMTP traffic when connecting to local
postfix with only a self-signed certificate.

This causes mail delivery to fail because the certificate chain cannot
be established.

[Bug][TLC]
lemmy/tlaplus,tlaplus/tlaplus,lemmy/tlaplus,tlaplus/tlaplus,lemmy/tlaplus,tlaplus/tlaplus,lemmy/tlaplus,tlaplus/tlaplus