haskell gmail stmp mail example

mail.hs

{-# LANGUAGE OverloadedStrings #-}

import           Network.HaskellNet.IMAP.SSL
import           Network.HaskellNet.SMTP.SSL as SMTP

import           Network.HaskellNet.Auth (AuthType(LOGIN))

import qualified Data.ByteString.Char8 as B

username = "[email protected]"
password = "<password>"
recipient = "[email protected]"

smtpTest = doSMTPSTARTTLS "smtp.gmail.com" $ \c -> do
    authSucceed <- SMTP.authenticate LOGIN username password c
    if authSucceed
      then sendPlainTextMail recipient username subject body c
      else print "Authentication error."
  where subject = "Test message"
        body    = "This is a test message"

main :: IO ()
main = do
  smtpTest