MAIL

Mail text file (/tmp/scream-dump) contents from linux box with subject(scream-dump)

  mail -s scream-dump user@example.com < /tmp/scream-dump

Mail with attachment

  tar cvzf - data1 data2  you@host.fr

Sending message to a logined user of group

  write user anytext

Decode a MIME message

  uudeview +e .zip -i mail.eml

Create AUTH PLAIN string to test SMTP AUTH session

  printf '\!:1\0\!:1\0\!:2'  /'

Sintaxis básica del protocolo SMTP

  HELO
  MAIL FROM:
  RCPT TO:
  DATA
  Subject: asdfadfsasdf
  texto texto texto texto texto texto texto texto texto texto texto texto texto
  texto texto texto texto texto
  <enter><enter>
  QUIT