dwaas / mailer

Simple CLI SMTP client

mailer

Simple SMTP client that reads from, cc, bcc, and body from stdin.

stdout's output is entirely generated by env_logger and can be piped around if needed.

Optionally, the CLI accepts a -f argument that defines the Return-Path.

example

[devin@cert mailer]$ RUST_LOG=mailer cargo run -- -f [e-mail] < test.mail
   Compiling mailer v0.1.0 (/home/devin/src/mailer)
    Finished dev [unoptimized + debuginfo] target(s) in 2.29s
     Running `target/debug/mailer -f '[e-mail]'`
[2020-05-19T09:08:34Z TRACE mailer] Parsing arguments.
[2020-05-19T09:08:34Z DEBUG mailer] Cli { return_path: "[e-mail]" }
[2020-05-19T09:08:34Z TRACE mailer] Parsing header.
[2020-05-19T09:08:34Z DEBUG mailer] field: subject, value: email subject!
[2020-05-19T09:08:34Z DEBUG mailer] field: from, value: [e-mail]
[2020-05-19T09:08:34Z DEBUG mailer] field: bcc, value: [e-mail]
[2020-05-19T09:08:34Z DEBUG mailer] field: cc, value: [e-mail]
[2020-05-19T09:08:34Z TRACE mailer] Parsing body.
[2020-05-19T09:08:34Z DEBUG mailer] msg body:
    Email Content line 1
    Email Content line 2
[2020-05-19T09:08:34Z TRACE mailer] Setting Return-Path
[2020-05-19T09:08:34Z INFO  mailer] succesfully sent. from: [e-mail]; to: devin@localhost; len: 41

references

RFC821