Pain point · Integrations · Blocks work
Cannot send email through SMTP server using a Let's Encrypt certificate
1 source thread · first seen 2019-03
Summary
Sending mail to a self-hosted mail server with a valid Let's Encrypt certificate fails with a certificate validation error, although other clients can send through it.
- Affects
- Self-hoster
Evidence
Excerpts are copied word for word from the source; follow the link to read it in full.
“The remote certificate is invalid according to the validation procedure”