How fetchmail works?
Fetchmail retrieves mail from remote mail servers and forwards it via SMTP, so it can then be read by normal mail user agents such as mutt, elm(1) or BSD Mail. It allows all your system MTA’s filtering, forwarding, and aliasing facilities to work just as they would on normal mail.
How does Procmail work?
Procmail is a Mail Delivery Agent (MDA), meaning it can be used along with a Mail Transfer Agent (MTA) such as mutt or sendmail to filter messages. Procmail processes all messages before they are delivered to your mailbox. forward file makes all incoming messages run through procmail, and the .
How to add fetchmail to Postfix mailbox?
Login as root on your Postfix server and install the following package: Afterwards, login as a Linux system user, for example, john, who we will create a new Fetchmail configuration file for, and who already has a local Postfix mailbox directory on our server located in his home directory under ~/Maildir.
When do I need to use fetch mail?
Fetchmail is often used to combine and bundle all your different mail accounts into one single account, but you can also use it if your mail provider does not have a good virus or spam filter.
What is the command line syntax for fetchmail?
Details vary by operating system. The behavior of fetchmail is controlled by command-line options and a run control file, ~/.fetchmailrc , the syntax of which we describe in a later section (this file is what the fetchmailconf program edits). Command-line options override ~/.fetchmailrc declarations.
How does fetchmail send messages to multiple recipients?
These protocols always support multiple recipients. As each message is retrieved, fetchmail normally delivers it via SMTP to port 25 on the machine it is running on (localhost), just as though it were being passed in over a normal TCP/IP link. fetchmail provides the SMTP server with an envelope recipient derived in the manner described previously.