E-mailing with Zeta

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Beam

Beam - filters

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E-mail - attachments

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Mail User Agent: The mail program used by the end-user computer to create and read e-mail messages. The MUA passes the message to the local MTA (Mail Transfer Agent), see RFC 1711.

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Mail Transfer Agent: The application that uses SMTP to move an e-mail message to another MTA until message reaches the addressee's computer, where the message is delivered.

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SMTP: Simple Mail Transport Protocol is used to send e-mail on the Internet. SMTP consists of a set of rules for how a program sending mail and a program receiving mail should interact, see RFC 2821.

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POP: Post Office Protocol. Messages delivered to a mail server are downloaded to the local computer via a POP Mail program. Messages retrieved by the POP client are deleted from the server. Some POP clients allow a setting change such that message are not deleted from the server, but deletion from the server is the default selection.

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IMAP: Internet Message Access Protocol was designed to allow you to leave your mail on the server. The protocol is far more advanced than POP, as you request partial information from the server such as headers, bodies of specified messages, messages meeting certain criteria, etc.

E-mailing with Zeta

In Zeta there are included two MUAs (Mail User Agents), BeMail and Beam. These two applications are used to read and write e-mail messages.

To be able to send e-mails to various MUAs on differents platforms, there has been made a standard e-mail format, RFC 2822. The e-mail's letterhead contains several fields: From:, To:, Cc:, Message-ID:, Date:, Received:, etc. The information is used by the MTAs (Mail Transfer Agent) to transfer your mail to the receivers. MTAs will add information about it self in the received field, as the mail passes it. You can than see how many MTAs the e-mail had to pass before reaching you.

E-mails are sent and received over IP/TCP with the use of the following protocols SMTP, POP and IMAP. BeMail supports both POP and IMAP, Beam only POP, but both uses SMTP for sending e-mails.

To be able to send and receive e-mails you first of all need to have an e-mail account. This account's configurations should be added to the MUA you choose to use:

Both MTAs support multiple e-mail accounts.

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