Monthly Downloads: 94
Programming language: Haskell
License: BSD 3-clause "New" or "Revised" License
Tags: Network     Smtp    
Latest version: v0.3.0.0

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Making it easy to send SMTP emails from Haskell.

cabal install smtp-mail

Sending with an SMTP server

{-# LANGUAGE OverloadedStrings #-}

import Network.Mail.SMTP

from       = Address Nothing "[email protected]"
to         = [Address (Just "Jason Hickner") "[email protected]"]
cc         = []
bcc        = []
subject    = "email subject"
body       = plainTextPart "email body"
html       = htmlPart "<h1>HTML</h1>"

mail = simpleMail from to cc bcc subject [body, html]

main = sendMail host mail

or with an attachment:

main = do
  attachment <- filePart "application/octet-stream" "path/to/attachment.zip"
  let mail = simpleMail from to cc bcc subject [body, html, attachment]
  sendMail host mail

or, with authentication:

main = sendMailWithLogin host user pass mail

or, using STARTTLS:

main = sendMailSTARTTLS host mail

or, using SMTPS:

main = sendMailTLS host mail

Note: sendMail' and sendMailWithLogin' variations are also provided if you want to specify a port as well as a hostname.

Sending with sendmail

If you'd like to use sendmail, the sendmail interface from Network.Mail.Mime is reexported as well:

-- send via the default sendmail executable with default options
renderSendMail mail

-- send via the specified executable with specified options
renderSendMailCustom filepath [opts] mail

For more complicated scenarios or for adding attachments or CC/BCC addresses you can import Network.Mail.Mime and construct Mail objects manually.


This library is based on code from HaskellNet, which appears to be no longer maintained. I've cleaned up the error handling, added some API functions to make common operations easier, and switched to ByteStrings where applicable.


nix-integration-test/integration-test.nix contains a integration test, which uses nixos qemu vm tests to start a qemu vm with a postfix and use smtp-mail to send mails to that postfix.

Install nix and execute nix-build nix-integration-test/integration-test.nix to execute the test. Success is signalled by a return code of 0.

Unconveniently it can't be run via github actions or travis, as it needs kvm virtualization.