mailer

/ˈmeɪlər/
noun
  1. A person or company that sends mail.
    • The mailer forgot to include a return address.
    • Each mailer must pay the correct postage.
    • Our company uses a professional mailer for bulk shipments.
  2. A container or envelope used for sending items by mail.
    • The catalog arrived in a sturdy cardboard mailer.
    • Put the book in a padded mailer before shipping.
    • She bought a pack of bubble mailers at the post office.
  3. A computer program that sends email messages.
    • Our mailer automatically sends a welcome message to new users.
    • The email mailer crashed during the campaign.
    • He configured the mailer to use a secure connection.
What does "mailer" mean? | whatsthatwordmean | whatsthatwordmean