From steve.weifenbach@hanesfinishing.com Wed Oct 25 11:22:11 2000
Date: Wed, 25 Oct 2000 09:00:29 -0400
From: Steve <steve.weifenbach@hanesfinishing.com>
To: Jeremy C. Reed <reed@wcug.wwu.edu>
Subject: GNU-pop3d and Postfix

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Here is how I set up Postfix and GNU-pop3d with your patch
for vitrual domains.

In main.cf:

virtual_maps = hash:/etc/postfix/virtusertable
alias_maps = hash:/etc/postfix/aliases
alias_database = hash:/etc/postfix/aliases

In virtusertable:

user.name1@domainname1.com	user.name1.dn1.com
user.name2@domainname1.com	user.name2.dn1.com
user.name3@domainname1.com	user.name3.dn1.com
#
user.name4@domainname2.com	user.name4.dn2.com
user.name5@domainname2.com	user.name5.dn2.com
user.name6@domainname2.com	user.name6.dn2.com


In aliases:

user.name1.dn1.com:     /var/spool/virtual/domainname1.com/user.name1

user.name2.dn1.com:    /var/spool/virtual/domainname1.com/user.name2

user.name3.dn1.com:    /var/spool/virtual/domainname1.com/user.name3

#

user.name4.dn2.com:   /var/spool/virtual/domainname2.com/user.name4

user.name5.dn2.com: /var/spool/virtual/domainnam2.com/user.name5

user.name6.dn2.com: /var/spool/virtual/domainname2.com/user.name6

#
and so on for other domains.  We currently have seven.

virtusertable db is created using postmap in the /etc/postfix directory
aliases db is created using postalias in the /etc/postfix directory

I have directories defined:

/var/spool/postfix, where postfix manages the messages
/var/spool/virtual/domainname1.com,
/var/spool/virtual/domainname2.com
and so on for the other domains where postfix deposits the messages
for the pop3 users per the virtusertable and aliases files.


/etc/virtual/domainname1,
/etc/virtual/domainname2
and son on for the other domains where the passwd file is kept for
each domain.

I used your script to create the passwd files in each /etc/virtual/domainname
directory.  Currently, I am developing a MySQL table with user name and password
that will used to create these passwd files using the same script within another
script that have all the users and passwords redirected into the passwd files
for maintenance.  MySQL will secure the user/passwords for me and the time to live
for the intermediate script will be short.  And as you know, the passwords are
encrypted in the passwd file from this pop_passwd script.

#!/usr/bin/perl

# pop_passwd username password >> passwordfile



$name = $ARGV[0];



@salt_chars = ('a'..'z','A'..'Z','0'..'9');



$salt = $salt_chars[rand(62)].$salt_chars[rand(62)];



$passwd = crypt($ARGV[1],$salt);



print "$name:$passwd\n";


This is all I did after applying your patch to the GNU-pop3d source and
installing.  I am currently working on SASL for SMTP to authenticate the
users sending mail via SMTP.  People inside create any profiles they want
in their email programs and send "fake" mail.

If you have any direction on a better way or instructions on SASL implementation
this would be great.

-- 
Mit freundlichen Grüßen,

Steve Weifenbach