sendmail/examples/sendmail.toml

[default]
  from = "my.default@example.com"

  [default.server]
    address = "mail.example.com"
    port = 587
    user = "my.default@example.com"
    password = "correcthorsebatterystaple"

[other-account]
  from = "my.other@mailprovider.org"

  [ai.server]
    address = "smtp.mailprovider.org"
    port = 587
    user = "my.correct.username@mailprovider.org"