Rails schickt Mails zweimal wenn man sendmail verwendet / Rails sent mails twice when using sendmail

One quite annoying thing, is that rails seems to send mails twice when using sendmail on Debian 5. To fix that, add to config/environments/production.rb

  config.action_mailer.delivery_method = :sendmail
  config.action_mailer.sendmail_settings = {
    :location => '/usr/sbin/sendmail',
    :arguments => "-i"
  }

Notice that arguments is only “-i”, default it is “-i -t” which makes sendmail sending again somehow

Reposted from notes.it-jobs-und-stellen.de