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cmail - CheckMail

A bash script that checks if an e-mail address is valid by connecting to the smtp server and checking the result.

Preparing

You need to install:

  • dig
  • nc (netcat)
  • expact
  • telnet

Usage

cmail [-d <email.domain>] [-e <smtp-server>] [-p <port>] mail@address
      -d: specifies the email domain
      -e: specifies the smtp server domain (mail exchanger)
      -p: specifies the smtp server port
      -v: verbose. Prints detailed information