2022-01-16 18:20:39 +00:00
|
|
|
---
|
|
|
|
|
title: "e-mail"
|
2022-01-26 22:35:07 +00:00
|
|
|
tags: [ "Documentation", "System" ]
|
2022-01-16 18:20:39 +00:00
|
|
|
---
|
2020-01-02 00:04:35 +00:00
|
|
|
# Terminology
|
|
|
|
|
|
|
|
|
|
|MTA | Mail transfer agent |
|
|
|
|
|
|POP3| Post Office Protocol 3 |
|
|
|
|
|
|SMTP| Simple Mail Transfer Protocol|
|
|
|
|
|
|IMAP| Internet Message Access Protocol|
|
|
|
|
|
|
|
|
|
|
There are a number of Linux e-mail agents - postfix, sendmail, exim (insecure) and qmail (dead).
|
|
|
|
|
|
|
|
|
|
# Programs
|
|
|
|
|
|
|
|
|
|
> sudo apt-get install postfix mailutils
|
|
|
|
|
|
|
|
|
|
This will register your domain in the /etc/postfix/main.cf file.
|
|
|
|
|
|
|
|
|
|
# Internal Mail
|
|
|
|
|
|
|
|
|
|
> sendmail -t roach-1
|
|
|
|
|
|
|
|
|
|
Write a message and stop composition with Ctrl+D.
|
|
|
|
|
|
|
|
|
|
The mail is kept in /var/mail/ and you can read it with:
|
|
|
|
|
|
|
|
|
|
> mail
|
|
|
|
|
|
|
|
|
|
# Aliases
|
|
|
|
|
|
|
|
|
|
Aliases are groups of mail recipients. The lists are kept under /etc/aliases.
|
|
|
|
|
|
2021-09-19 12:14:26 +00:00
|
|
|
`crew: matthew@gmail.com,ghost,danial@yahoo.com`
|
2020-01-02 00:04:35 +00:00
|
|
|
|
|
|
|
|
Update the list of aliases from this with:
|
|
|
|
|
|
|
|
|
|
> sudo newaliases
|
|
|
|
|
|
|
|
|
|
Then you can:
|
|
|
|
|
|
|
|
|
|
> sendmail -t crew
|
|
|
|
|
|
|
|
|
|
... and send to the whole crew.
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
View pending e-mails using:
|
|
|
|
|
|
|
|
|
|
> mailq
|
|
|
|
|
|
|
|
|
|
|
