s-nail-14.9.25

#### Supplemental Linux® From Scratch - Version 13.0

### Chapter 24. SVR4-style Tools

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# s-nail-14.9.25

## Introduction to s-nail

The s-nail package is a mail user agent derived from Berkeley Mail 8.1.

- Download: https://ftp.sdaoden.eu/s-nail-14.9.25.tar.xz

### s-nail Dependencies

#### Required at runtime

An MTA

#### Optional

MIT Kerberos and Apache SpamAssassin

## Installation of s-nail

First, configure this package by executing the following command:

    VAL_BINDIR=/usr/5bin           \
    VAL_LIBEXECDIR=/usr/5lib       \
    VAL_MANDIR=/usr/share/man/5man \
    VAL_SYSCONFDIR=/etc            \
    make config

Install s-nail by running the following command:

    make

Now, as the `root` user:

    make install

Optionally, make a few compatibility symlinks as the `root` user:

    install -vdm755 /usr/ucb                 &&
    ln -svf /usr/5bin/s-nail /usr/5bin/mailx &&
    ln -svf /usr/5bin/s-nail /usr/ucb/Mail   &&
    ln -svf /usr/5bin/s-nail /usr/ucb/mail

## Command Explanations

`VAL_MTA=/usr/bin/sendmail`: This variable sets the path to an MTA. The default on a BLFS system is /usr/sbin/sendmail.

`VAL_MTA_ARGV0=sendmail`: This variable is used for mailwrapper(8) compatibility. Mailwrapper is a wrapper program that can be installed as sendmail which will automatically redirect queries to the installed sendmail-compatible MTA.

## Contents

Installed Programs: Mail (link to s-nail), /usr/ucb/mail (link to s-nail), mailx (link to s-nail), s-nail, and s-nail-dotlock
Installed Libraries: None
Installed Directories: None

### Short Descriptions

Mail | is a symlink pointing to s-nail
/usr/ucb/mail | is a symlink pointing to s-nail
mailx | is a symlink pointing to s-nail
s-nail | is the Berkeley Mail 8.1-derived mail user agent
s-nail-dotlock | is a helper program for locking the mailbox

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