#### Beyond Linux® From Scratch (systemd Edition) - Version 11.1

### Chapter 19. Mail/News Clients

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# Procmail-3.22

## Introduction to Procmail

The Procmail package contains an autonomous mail processor. This is useful for filtering and sorting incoming mail.

This package is known to build and work properly using an LFS-11.1 platform.

### Package Information

- Download (HTTP): https://ftp.osuosl.org/pub/blfs/conglomeration/procmail/procmail-3.22.tar.gz

- Download MD5 sum: 1678ea99b973eb77eda4ecf6acae53f1

- Download size: 226 KB

- Estimated disk space required: 1.7 MB

- Estimated build time: less than 0.1 SBU

### Additional Downloads

- Required patch: https://www.linuxfromscratch.org/patches/blfs/11.1/procmail-3.22-consolidated_fixes-1.patch

### Procmail Dependencies

#### Recommended

A MTA that installs sendmail

#### Optional

libnsl-2.0.0

User Notes: https://wiki.linuxfromscratch.org/blfs/wiki/procmail

## Installation of Procmail

This package does not come with a test suite.

Install Procmail by running the following commands as the `root` user:

    sed -i 's/getline/get_line/' src/*.[ch]                   &&
    patch -Np1 -i ../procmail-3.22-consolidated_fixes-1.patch &&

    make LOCKINGTEST=/tmp MANDIR=/usr/share/man install       &&
    make install-suid

## Command Explanations

sed -i 's/getline/get_line/' src/*.[ch]: This renames procmail's getline function to avoid conflict with the getline function from glibc.

make LOCKINGTEST=/tmp install: This prevents make from asking you where to test file-locking patterns.

make install-suid: Modifies permissions of the installed files.

## Configuring Procmail

###

#### Config Files

`/etc/procmailrc` and `~/.procmailrc`

###

#### Configuration Information

Recipes have to be written and placed in `~/.procmailrc` for execution. The procmailex man page is the starting place to learn how to write recipes. For additional information, see also http://pm-doc.sourceforge.net/.

## Contents

Installed Programs: formail, lockfile, mailstat and procmail
Installed Libraries: None
Installed Directories: None

### Short Descriptions

formail | is a filter that can be used to format mail into mailbox format
lockfile | is a utility that can lock a file for single use interactively or in a script
mailstat | prints a summary report of mail that has been filtered by procmail since the last time mailstat was ran
procmail | is an autonomous mail processor. It performs all the functions of an MDA (Mail Delivery Agent)

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