TLDR
Enter a command. For example: pt, testssl, csslint, umount, gh auth.

mail

 
The command operates on the user's mailbox if no argument is given. To send an email the message body is built from standard input. More information: https://manned.org/mail.
 
  • Send a typed email message. The command-line below continues after pressing Enter key. Input CC email-id (optional) press Enter key. Input message text (can be multiline). Press Ctrl-D key to complete the message text:
     
    mail --subject="{{subject line}}" {{to_user@example.com}}
     
  • Send an email that contains file content:
     
    mail --subject="{{$HOSTNAME filename.txt}}" {{to_user@example.com}} < {{path/to/filename.txt}}
     
  • Send a tar.gz file as an attachment:
     
    tar cvzf - {{path/to/directory1 path/to/directory2}} | uuencode {{data.tar.gz}} | mail --subject="{{subject_line}}" {{to_user@example.com}}

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