Red Hat LINUX 7.2 - OFFICIAL LINUX CUSTOMIZATION GUIDE Guida di Installazione Scaricare il pdf (Pagina 210)

210 Chapter 16. Email

set postmaster "user1"

set bouncemail

poll pop.domain.com proto pop3

user ’user1’ there with password ’secret’ is user1 here

poll mail.domain2.com

user ’user5’ there with password ’secret2’ is user1 here

user ’user7’ there with password ’secret3’ is user1 here

Figure 16-6. Example of a basic .fetchmailrc ﬁle

In this example, the global are options set so the user is sent email as a last resort (postmaster

option) and all email errors are sent to the postmaster instead of the sender (bouncemail option).

The set action tells Fetchmail that this line contains a global option. Then, two email servers are

speciﬁed, one set to check using POP3, and the other for trying various protocols to ﬁnd one that

works. Two users are checked using the second server option, but all email found for any users is

sent to user1’s mail spool. This allows multiple mailboxes to be checked on multiple servers, while

appearing in a single MUA inbox. Each user’s speciﬁc information begins with the user action.

Note

You do not have to place your password in the .fetchmailrc ﬁle. You can omit the with pass-

word ’ password ’ section. Fetchmail will then ask for your password when it is started with the

fetchmail command.

While you can set up your .fetchmailrc ﬁle manually, it is much easier to let the included fetch-

mailconf program do it for you. However, when testing new conﬁgurations, it is usually easier to

edit the .fetchmailrc ﬁle directly.

As expected with a program that services such a mature network service as email and utilizes so many

protocols, Fetchmail contains many different global, server, and local options. Many of these options

are rarely used or only apply to very speciﬁc situations. The fetchmail man page explains each of

these options in detail, but the most common ones are listed here.

16.4.1.1. Global Options

Each global option should be placed on a single line after a set action.

• daemon

seconds — Tells Fetchmail to automatically use daemon-mode, where it will stay in

the background and poll for mail at the interval speciﬁed.

• postmaster — Gives Fetchmail a local user to send mail to in case of delivery problems.

• syslog — Tells Fetchmail to start logging error and status messages in the system’s log ﬁle. By

default, this is /var/log/maillog.

16.4.1.2. Server Options

Place server options on their own line in .fetchmailrc after a poll or skip action.

• auth

auth-type — Speciﬁes the type of authentication to be used. By default, password

authentication is utilized, but some protocols support other types of authentication, including ker-

beros_v5, kerberos_v4, and ssh. If the any authentication type is used, Fetchmail will ﬁrst try

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Red Hat LINUX 7.2 - OFFICIAL LINUX CUSTOMIZATION GUIDE Guida di Installazione Pagina 210