gopkg.in/opensmtpd.v0 (go): Package opensmtpd implements OpenSMTPD APIs  The APIs in OpenSMTPD are not stable and subject to change. The filter versions implemented by this package are tested against OpenSMTPD-portable version 6.0.2 (as supplied by Debian Jessie (backports) and Debian Stretch).  Hooks for the various SMTP transaction stages. If a filter function is registered for a callback, the OpenSMTPD process expects a reply via the Session.Accept() or Session.Reject() calls. Failing to do so may result in a locked up mail server, you have been warned!
Keywords: email|filter|go|mail|opensmtpd