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• postconnect " <command> " — Tells Fetchmail to execute the specified command after re-
trieving messages for this user.
• ssl — Allows Fetchmail to collect the message via an encrypted SSL connection, if the server
supports this.
• user " <username> " — Sets the username used by Fetchmail to retrieve messages. This
option should be listed before any other user options.
16.4.2 Fetchmail Command Options
Most of the Fetchmail options that may be used on the command line, when executing the fetch-
mail command, mirror the .fetchmailrc configuration options. This is done so that Fetchmail
may be used with or without a configuration file. Most users will not use these options on the com-
mand line, as it is easier to leave them in the .fetchmailrc file to be utilized whenever Fetchmail
is run.
However, there are times when you may want to run the fetchmail command with other options
for a particular purpose. As any options specified at the command line override configuration file
options, you can also issue command options to temporarily override a .fetchmailrc setting that
is causing an error.
Informational or Debugging Options
Certain options used after the fetchmail command can provide you with important information.
• --configdump — Displays every possible option based on information from .fetchmailrc
and Fetchmail defaults. No email is retrieved for any users when using this option.
• -s — Executes Fetchmail in silent mode, preventing any messages, other than errors, from ap-
pearing after the fetchmail command.
• -v — Executes Fetchmail in verbose mode, displaying every communication between Fetchmail
and the remote email servers.
• -V — Causes Fetchmail to display detailed version information, list its global options, and show
settings to be used with each user, including the email protocol and authentication method. No
email is retrieved for any users when using this option.
Special Options
These options are occasionally useful for overriding defaults often found in the .fetchmailrc file.
• -a — Tells Fetchmail to download all messages from the remote email server, whether new or
previously viewed. By default, Fetchmail will only download new messages.
• -k — Causes Fetchmail to leave the messages on the remote email server after downloading them.
This option overrides the default behavior of deleting messages after downloading them.
Chapter 16:Email