Virtual Users And Domains With Postfix, Courier, MySQL And SquirrelMail (Ubuntu 13.10) - Page 2

11 Quota Exceedance Notifications

If you want to get notifications about all the email accounts that are over quota, then create the file /usr/local/sbin/quota_notify:

cd /usr/local/sbin/
vi quota_notify

#!/usr/bin/perl -w

# Author <[email protected]>
#
# This script assumes that virtual_mailbox_base in defined
# in postfix's main.cf file. This directory is assumed to contain
# directories which themselves contain your virtual user's maildirs.
# For example:
#
# -----------/
#            |
#            |
#    home/vmail/domains/
#        |          |
#        |          |
#  example.com/  foo.com/
#                   |
#                   |
#           -----------------
#           |       |       |
#           |       |       |
#         user1/   user2/  user3/
#                           |
#                           |
#                        maildirsize
#

use strict;

my $POSTFIX_CF = "/etc/postfix/main.cf";
my $MAILPROG = "/usr/sbin/sendmail -t";
my $WARNPERCENT = 80;
my @POSTMASTERS = ([email protected]');
my $CONAME = 'My Company';
my $COADDR = [email protected]';
my $SUADDR = [email protected]';
my $MAIL_REPORT = 1;
my $MAIL_WARNING = 1;

#get virtual mailbox base from postfix config
open(PCF, "< $POSTFIX_CF") or die $!;
my $mboxBase;
while (<PCF>) {
   next unless /virtual_mailbox_base\s*=\s*(.*)\s*/;
   $mboxBase = $1;
}
close(PCF);

#assume one level of subdirectories for domain names
my @domains;
opendir(DIR, $mboxBase) or die $!;
while (defined(my $name = readdir(DIR))) {
   next if $name =~ /^\.\.?$/;        #skip '.' and '..'
   next unless (-d "$mboxBase/$name");
   push(@domains, $name);
}
closedir(DIR);
#iterate through domains for username/maildirsize files
my @users;
chdir($mboxBase);
foreach my $domain (@domains) {
        opendir(DIR, $domain) or die $!;
        while (defined(my $name = readdir(DIR))) {
           next if $name =~ /^\.\.?$/;        #skip '.' and '..'
           next unless (-d "$domain/$name");
      push(@users, {"$name\@$domain" => "$mboxBase/$domain/$name"});
        }
}
closedir(DIR);

#get user quotas and percent used
my (%lusers, $report);
foreach my $href (@users) {
   foreach my $user (keys %$href) {
      my $quotafile = "$href->{$user}/maildirsize";
      next unless (-f $quotafile);
      open(QF, "< $quotafile") or die $!;
      my ($firstln, $quota, $used);
      while (<QF>) {
         my $line = $_;
              if (! $firstln) {
                 $firstln = 1;
                 die "Error: corrupt quotafile $quotafile"
                    unless ($line =~ /^(\d+)S/);
                 $quota = $1;
            last if (! $quota);
            next;
         }
         die "Error: corrupt quotafile $quotafile"
            unless ($line =~ /\s*(-?\d+)/);
         $used += $1;
      }
      close(QF);
      next if (! $used);
      my $percent = int($used / $quota * 100);
      $lusers{$user} = $percent unless not $percent;
   }
}

#send a report to the postmasters
if ($MAIL_REPORT) {
   open(MAIL, "| $MAILPROG");
   select(MAIL);
   map {print "To: $_\n"} @POSTMASTERS;
   print "From: $COADDR\n";
   print "Subject: Daily Quota Report.\n";
   print "DAILY QUOTA REPORT:\n\n";
   print "----------------------------------------------\n";
   print "| % USAGE |            ACCOUNT NAME          |\n";
   print "----------------------------------------------\n";
   foreach my $luser ( sort { $lusers{$b} <=> $lusers{$a} } keys %lusers ) {
      printf("|   %3d   | %32s |\n", $lusers{$luser}, $luser);
      print "---------------------------------------------\n";
   }
        print "\n--\n";
        print "$CONAME\n";
        close(MAIL);
}

#email a warning to people over quota
if ($MAIL_WARNING) {
        foreach my $luser (keys (%lusers)) {
           next unless $lusers{$luser} >= $WARNPERCENT;       # skip those under quota
           open(MAIL, "| $MAILPROG");
           select(MAIL);
           print "To: $luser\n";
      map {print "BCC: $_\n"} @POSTMASTERS;
           print "From: $SUADDR\n";
           print "Subject: WARNING: Your mailbox is $lusers{$luser}% full.\n";
           print "Reply-to: $SUADDR\n";
           print "Your mailbox: $luser is $lusers{$luser}% full.\n\n";
           print "Once your e-mail box has exceeded your monthly storage quota\n";
      print "your monthly billing will be automatically adjusted.\n";
      print "Please consider deleting e-mail and emptying your trash folder to clear some space.\n\n";
           print "Contact <$SUADDR> for further assistance.\n\n";
           print "Thank You.\n\n";
           print "--\n";
           print "$CONAME\n";
           close(MAIL);
        }
}

Make sure that you adjust the variables at the top (especially the [email protected] email address).

We must make the file executable:

chmod 755 quota_notify

Run

crontab -e

to create a cron job for that script:

0 0 * * * /usr/local/sbin/quota_notify &> /dev/null

 

12 Test Postfix

To see if Postfix is ready for SMTP-AUTH and TLS, run

telnet localhost 25

After you have established the connection to your Postfix mail server type

ehlo localhost

If you see the lines

250-STARTTLS

and

250-AUTH PLAIN LOGIN

everything is fine:

[email protected]:/usr/local/sbin# telnet localhost 25
Trying 127.0.0.1...
Connected to localhost.localdomain.
Escape character is '^]'.
220 server1.example.com ESMTP Postfix (Ubuntu)

<-- ehlo localhost
250-server1.example.com
250-PIPELINING
250-SIZE 10240000
250-VRFY
250-ETRN
250-STARTTLS
250-AUTH PLAIN LOGIN
250-AUTH=PLAIN LOGIN
250-ENHANCEDSTATUSCODES
250-8BITMIME
250 DSN

<-- quit
221 2.0.0 Bye
Connection closed by foreign host.
[email protected]:/usr/local/sbin#

Type

quit

to return to the system shell.

 

13 Populate The Database And Test

To populate the database you can use the MySQL shell:

mysql -u root -p

USE mail;

At least you have to create entries in the tables domains and users:

INSERT INTO `domains` (`domain`) VALUES ('example.com');
INSERT INTO `users` (`email`, `password`, `quota`) VALUES ([email protected]', ENCRYPT('secret'), 10485760);

(Please take care that you use the ENCRYPT syntax in the second INSERT statement in order to encrypt the password!)

If you want to make entries in the other two tables, that would look like this:

INSERT INTO `forwardings` (`source`, `destination`) VALUES ([email protected]', [email protected]');
INSERT INTO `transport` (`domain`, `transport`) VALUES ('example.com', 'smtp:mail.example.com');

To leave the MySQL shell, type

quit;

For most people it is easier if they have a graphical front-end to MySQL; therefore you can also use phpMyAdmin (in this example under http://192.168.0.100/phpmyadmin/ or http://server1.example.com/phpmyadmin/) to administrate the mail database. Again, when you create a user, go sure that you use the ENCRYPT function to encrypt the password:

I do not think I have to explain the domains and users table further.

The forwardings table can have entries like the following:

source destination  
[email protected] [email protected] Redirects emails for [email protected] to [email protected]
@example.com [email protected] Creates a Catch-All account for [email protected] All emails to example.com will arrive at [email protected], except those that exist in the users table (i.e., if [email protected] exists in the users table, mails to [email protected] will still arrive at [email protected]).
@example.com @anotherdomain.tld This redirects all emails to example.com to the same user at anotherdomain.tld. E.g., emails to [email protected] will be forwarded to [email protected]
[email protected] [email protected], [email protected] Forward emails for [email protected] to two or more email addresses. All listed email addresses under destination receive a copy of the email.

The transport table can have entries like these:

domain transport  
example.com : Delivers emails for example.com locally. This is as if this record would not exist in this table at all.
example.com smtp:mail.anotherdomain.tld Delivers all emails for example.com via smtp to the server mail.anotherdomain.com.
example.com smtp:mail.anotherdomain.tld:2025 Delivers all emails for example.com via smtp to the server mail.anotherdomain.com, but on port 2025, not 25 which is the default port for smtp.
example.com

smtp:[1.2.3.4]
smtp:[1.2.3.4]:2025
smtp:[mail.anotherdomain.tld]

The square brackets prevent Postfix from doing lookups of the MX DNS record for the address in square brackets. Makes sense for IP addresses.
.example.com smtp:mail.anotherdomain.tld Mail for any subdomain of example.com is delivered to mail.anotherdomain.tld.
* smtp:mail.anotherdomain.tld All emails are delivered to mail.anotherdomain.tld.
[email protected] smtp:mail.anotherdomain.tld Emails for [email protected] are delivered to mail.anotherdomain.tld.

See

man transport

for more details.

Please keep in mind that the order of entries in the transport table is important! The entries will be followed from the top to the bottom.

Important: Postfix uses a caching mechanism for the transports, therefore it might take a while until you changes in the transport table take effect. If you want them to take effect immediately, run

postfix reload

after you have made your changes in the transport table.

 

14 Send A Welcome Email For Creating Maildir

When you create a new email account and try to fetch emails from it (with POP3/IMAP) you will probably get error messages saying that the Maildir doesn't exist. The Maildir is created automatically when the first email arrives for the new account. Therefore it's a good idea to send a welcome email to a new account.

First, we install the mailx package:

apt-get install mailutils

To send a welcome email to [email protected], we do this:

mailx [email protected]

You will be prompted for the subject. Type in the subject (e.g. Welcome), then press ENTER, and in the next line type your message. When the message is finished, press ENTER again so that you are in a new line, then press CTRL+D; if you don't want to cc the mail, press ENTER again:

[email protected]:/usr/local/sbin# mailx [email protected]
Cc:
<-- ENTER
Subject: Welcome <-- ENTER
Welcome! Have fun with your new mail account. <-- ENTER
<-- CTRL+D
[email protected]:/usr/local/sbin#

 Note :  Please do not add a transport and mailbox for the same address. 

15 Installing SquirrelMail

SquirrelMail is a webmail interface that will let your users send and receive emails in a browser. This chapter shows how to install it and adjust it to our setup so that users can even change their email account password from the SquirrelMail interface.

To install SquirrelMail, we run:

apt-get install squirrelmail squirrelmail-compatibility php-pear php-db

Next we symlink the Apache configuration that comes with the SquirrelMail package to the /etc/apache2/conf-available directory and restart Apache:

ln -s /etc/squirrelmail/apache.conf /etc/apache2/conf-available/squirrelmail.conf
/etc/init.d/apache2 restart

SquirrelMail comes with some pre-installed plugins, unfortunately none of them is capable of letting us change our email password in our MySQL database. But there's the Change SQL Password plugin which we can install manually:

cd /usr/share/squirrelmail/plugins
wget http://www.squirrelmail.org/plugins/change_sqlpass-3.3-1.2.tar.gz
tar xvfz change_sqlpass-3.3-1.2.tar.gz
cd change_sqlpass
cp config.php.sample config.php

Now we must edit config.php and adjust it to our setup. Please adjust the $csp_dsn, $lookup_password_query, $password_update_queries, $password_encryption, $csp_salt_static, and $csp_delimiter variables as follows and comment out $csp_salt_query:

vi config.php

[...]
$csp_dsn = 'mysql://mail_admin:[email protected]/mail';
[...]
$lookup_password_query = 'SELECT count(*) FROM users WHERE email = "%1" AND password = %4';
[...]
$password_update_queries = array('UPDATE users SET password = %4 WHERE email = "%1"');
[...]
$password_encryption = 'MYSQLENCRYPT';
[...]
$csp_salt_static = 'LEFT(password, 2)';
[...]
//$csp_salt_query = 'SELECT salt FROM users WHERE username = "%1"';
[...]
$csp_delimiter = '@';
[...]

The complete file looks as follows:

<?php

/**
  * SquirrelMail Change SQL Password Plugin
  * Copyright (C) 2001-2002 Tyler Akins
  *               2002 Thijs Kinkhorst <[email protected]>
  *               2002-2005 Paul Lesneiwski <[email protected]>
  * This program is licensed under GPL. See COPYING for details
  *
  * @package plugins
  * @subpackage Change SQL Password
  *
  */


   // Global Variables, don't touch these unless you want to break the plugin
   //
   global $csp_dsn, $password_update_queries, $lookup_password_query,
          $force_change_password_check_query, $password_encryption,
          $csp_salt_query, $csp_salt_static, $csp_secure_port,
          $csp_non_standard_http_port, $csp_delimiter, $csp_debug,
          $min_password_length, $max_password_length, $include_digit_in_password,
          $include_uppercase_letter_in_password, $include_lowercase_letter_in_password,
          $include_nonalphanumeric_in_password;



   // csp_dsn
   //
   // Theoretically, any SQL database supported by Pear should be supported
   // here.  The DSN (data source name) must contain the information needed
   // to connect to your database backend. A MySQL example is included below.
   // For more details about DSN syntax and list of supported database types,
   // please see:
   //   http://pear.php.net/manual/en/package.database.db.intro-dsn.php
   //
   //$csp_dsn = 'mysql://user:[email protected]/email_users';
   $csp_dsn = 'mysql://mail_admin:[email protected]/mail';


   // lookup_password_query
   //
   // This plugin will always verify the user's old password
   // against their login password, but an extra check can also
   // be done against the database for more security if you
   // desire.  If you do not need the extra password check,
   // make sure this setting is empty.
   //
   // This is a query that returns a positive value if a user
   // and password pair are found in the database.
   //
   // This query should return one value (one row, one column), the
   // value being ideally a one or a zero, simply indicating that
   // the user/password pair does in fact exist in the database.
   //
   //   %1 in this query will be replaced with the full username
   //      (including domain), such as "[email protected]"
   //   %2 in this query will be replaced with the username (without
   //      any domain portion), such as "jose"
   //   %3 in this query will be replaced with the domain name,
   //      such as "example.com"
   //   %4 in this query will be replaced with the current (old)
   //      password in whatever encryption format is needed per other
   //      plugin configuration settings (Note that the syntax of
   //      the password will be provided depending on your encryption
   //      choices, so you NEVER need to provide quotes around this
   //      value in the query here.)
   //   %5 in this query will be replaced with the current (old)
   //      password in unencrypted plain text.  If you do not use any
   //      password encryption, %4 and %5 will be the same values,
   //      except %4 will have double quotes around it and %5 will not.
   //
   //$lookup_password_query = '';
   // TERRIBLE SECURITY: $lookup_password_query = 'SELECT count(*) FROM users WHERE username = "%1" AND plain_password = "%5"';
   //$lookup_password_query = 'SELECT count(*) FROM users WHERE username = "%1" AND crypt_password = %4';
   $lookup_password_query = 'SELECT count(*) FROM users WHERE email = "%1" AND password = %4';


   // password_update_queries
   //
   // An array of SQL queries that will all be executed
   // whenever a password change attempt is made.
   //
   // Any number of queries may be included here.
   // The queries will be executed in the order given here.
   //
   //   %1 in all queries will be replaced with the full username
   //      (including domain), such as "[email protected]"
   //   %2 in all queries will be replaced with the username (without
   //      any domain portion), such as "jose"
   //   %3 in all queries will be replaced with the domain name,
   //      such as "example.com"
   //   %4 in all queries will be replaced with the new password
   //      in whatever encryption format is needed per other
   //      plugin configuration settings (Note that the syntax of
   //      the password will be provided depending on your
   //      encryption choices, so you NEVER need to provide quotes
   //      around this value in the queries here.)
   //   %5 in all queries will be replaced with the new password
   //      in unencrypted plain text - BEWARE!  If you do not use
   //      any password encryption, %4 and %5 will be the same
   //      values, except %4 will have double quotes around it
   //      and %5 will not.
   //
//   $password_update_queries = array(
//            'UPDATE users SET crypt_password = %4 WHERE username = "%1"',
//            'UPDATE user_flags SET force_change_pwd = 0 WHERE username = "%1"',
//            'UPDATE users SET crypt_password = %4, force_change_pwd = 0 WHERE username = "%1"',
//                                   );
   $password_update_queries = array('UPDATE users SET password = %4 WHERE email = "%1"');


   // force_change_password_check_query
   //
   // A query that checks for a flag that indicates if a user
   // should be forced to change their password.  This query
   // should return one value (one row, one column) which is
   // zero if the user does NOT need to change their password,
   // or one if the user should be forced to change it now.
   //
   // This setting should be an empty string if you do not wish
   // to enable this functionality.
   //
   //   %1 in this query will be replaced with the full username
   //      (including domain), such as "[email protected]"
   //   %2 in this query will be replaced with the username (without
   //      any domain portion), such as "jose"
   //   %3 in this query will be replaced with the domain name,
   //      such as "example.com"
   //
   //$force_change_password_check_query = 'SELECT IF(force_change_pwd = "yes", 1, 0) FROM users WHERE username = "%1"';
   //$force_change_password_check_query = 'SELECT force_change_pwd FROM users WHERE username = "%1"';
   $force_change_password_check_query = '';



   // password_encryption
   //
   // What encryption method do you use to store passwords
   // in your database?  Please use one of the following,
   // exactly as you see it:
   //
   //   NONE          Passwords are stored as plain text only
   //   MYSQLPWD      Passwords are stored using the MySQL password() function
   //   MYSQLENCRYPT  Passwords are stored using the MySQL encrypt() function
   //   PHPCRYPT      Passwords are stored using the PHP crypt() function
   //   MD5CRYPT      Passwords are stored using encrypted MD5 algorithm
   //   MD5           Passwords are stored as MD5 hash
   //
   //$password_encryption = 'MYSQLPWD';
   $password_encryption = 'MYSQLENCRYPT';


   // csp_salt_query
   // csp_salt_static
   //
   // Encryption types that need a salt need to know where to get
   // that salt.  If you have a constant, known salt value, you
   // should define it in $csp_salt_static.  Otherwise, leave that
   // value empty and define a value for the $csp_salt_query.
   //
   // Leave both values empty if you do not need (or use) salts
   // to encrypt your passwords.
   //
   // The query should return one value (one row, one column) which
   // is the salt value for the current user's password.  This
   // query is ignored if $csp_salt_static is anything but empty.
   //
   //   %1 in this query will be replaced with the full username
   //      (including domain), such as "[email protected]"
   //   %2 in this query will be replaced with the username (without
   //      any domain portion), such as "jose"
   //   %3 in this query will be replaced with the domain name,
   //      such as "example.com"
   //
   //$csp_salt_static = 'LEFT(crypt_password, 2)';
   //$csp_salt_static = '"a4"';  // use this format with MYSQLENCRYPT
   //$csp_salt_static = '$2$blowsomefish$';  // use this format with PHPCRYPT
   //$csp_salt_static = '';
   $csp_salt_static = 'LEFT(password, 2)';

   //$csp_salt_query = 'SELECT SUBSTRING_INDEX(crypt_password, '$', 1) FROM users WHERE username = "%1"';
   //$csp_salt_query = 'SELECT SUBSTRING(crypt_password, (LENGTH(SUBSTRING_INDEX(crypt_password, '$', 2)) + 2)) FROM users WHERE username = "%1"';
   //$csp_salt_query = 'SELECT salt FROM users WHERE username = "%1"';
   //$csp_salt_query = '';



   // csp_secure_port
   //
   // You may ensure that SSL encryption is used during password
   // change by setting this to the port that your HTTPS is served
   // on (443 is typical).  Set to zero if you do not wish to force
   // an HTTPS connection when users are changing their passwords.
   //
   // You may override this value for certain domains, users, or
   // service levels through the Virtual Host Login (vlogin) plugin
   // by setting a value(s) for $vlogin_csp_secure_port in the vlogin
   // configuration.
   //
   $csp_secure_port = 0;
   //$csp_secure_port = 443;



   // csp_non_standard_http_port
   //
   // If you serve standard HTTP web requests on a non-standard
   // port (anything other than port 80), you should specify that
   // port number here.  Set to zero otherwise.
   //
   // You may override this value for certain domains, users, or
   // service levels through the Virtual Host Login (vlogin) plugin
   // by setting a value(s) for $vlogin_csp_non_standard_http_port
   // in the vlogin configuration.
   //
   //$csp_non_standard_http_port = 8080;
   $csp_non_standard_http_port = 0;



   // min_password_length
   // max_password_length
   // include_digit_in_password
   // include_uppercase_letter_in_password
   // include_lowercase_letter_in_password
   // include_nonalphanumeric_in_password
   //
   // You can set the minimum and maximum password lengths that
   // you accept or leave those settings as zero to indicate that
   // no limit should be applied.
   //
   // Turn on any of the other settings here to check that the
   // new password contains at least one digit, upper case letter,
   // lower case letter and/or one non-alphanumeric character.
   //
   $min_password_length = 6;
   $max_password_length = 0;
   $include_digit_in_password = 0;
   $include_uppercase_letter_in_password = 0;
   $include_lowercase_letter_in_password = 0;
   $include_nonalphanumeric_in_password = 0;



   // csp_delimiter
   //
   // if your system has usernames with something other than
   // an "@" sign separating the user and domain portion,
   // specify that character here
   //
   //$csp_delimiter = '|';
   $csp_delimiter = '@';



   // debug mode
   //
   $csp_debug = 0;



?>

Now we must go into the SquirrelMail configuration and tell SquirrelMail that we use Courier as our POP3 and IMAP server and enable the Change SQL Password and the Compatibility plugins:

/usr/sbin/squirrelmail-configure

You'll see the following menu. Navigate through it as indicated:

SquirrelMail Configuration : Read: config.php (1.4.0)
---------------------------------------------------------
Main Menu --
1.  Organization Preferences
2.  Server Settings
3.  Folder Defaults
4.  General Options
5.  Themes
6.  Address Books
7.  Message of the Day (MOTD)
8.  Plugins
9.  Database
10. Languages

D.  Set pre-defined settings for specific IMAP servers

C   Turn color on
S   Save data
Q   Quit

Command >>
 <-- D


SquirrelMail Configuration : Read: config.php
---------------------------------------------------------
While we have been building SquirrelMail, we have discovered some
preferences that work better with some servers that don't work so
well with others.  If you select your IMAP server, this option will
set some pre-defined settings for that server.

Please note that you will still need to go through and make sure
everything is correct.  This does not change everything.  There are
only a few settings that this will change.

Please select your IMAP server:
    bincimap    = Binc IMAP server
    courier     = Courier IMAP server
    cyrus       = Cyrus IMAP server
    dovecot     = Dovecot Secure IMAP server
    exchange    = Microsoft Exchange IMAP server
    hmailserver = hMailServer
    macosx      = Mac OS X Mailserver
    mercury32   = Mercury/32
    uw          = University of Washington's IMAP server
    gmail       = IMAP access to Google mail (Gmail) accounts

    quit        = Do not change anything
Command >>
 <-- courier


              imap_server_type = courier
         default_folder_prefix = INBOX.
                  trash_folder = Trash
                   sent_folder = Sent
                  draft_folder = Drafts
            show_prefix_option = false
          default_sub_of_inbox = false
show_contain_subfolders_option = false
            optional_delimiter = .
                 delete_folder = true

Press enter to continue...
<-- press ENTER


SquirrelMail Configuration : Read: config.php (1.4.0)
---------------------------------------------------------
Main Menu --
1.  Organization Preferences
2.  Server Settings
3.  Folder Defaults
4.  General Options
5.  Themes
6.  Address Books
7.  Message of the Day (MOTD)
8.  Plugins
9.  Database
10. Languages

D.  Set pre-defined settings for specific IMAP servers

C   Turn color on
S   Save data
Q   Quit

Command >>
 <-- 8


SquirrelMail Configuration : Read: config.php (1.4.0)
---------------------------------------------------------
Plugins
  Installed Plugins
    1. view_as_html

  Available Plugins:
    2. administrator
    3. bug_report
    4. calendar
    5. change_sqlpass
    6. compatibility
    7. delete_move_next
    8. demo
    9. filters
    10. fortune
    11. info
    12. listcommands
    13. mail_fetch
    14. message_details
    15. newmail
    16. sent_subfolders
    17. spamcop
    18. squirrelspell
    19. test
    20. translate

R   Return to Main Menu
C   Turn color on
S   Save data
Q   Quit

Command >>
 <-- 6 (or whatever number the compatibility plugin has - it's needed by the change_sqlpass plugin)


SquirrelMail Configuration : Read: config.php (1.4.0)
---------------------------------------------------------
Plugins
  Installed Plugins
    1. view_as_html
    2. compatibility

  Available Plugins:
    3. administrator
    4. bug_report
    5. calendar
    6. change_sqlpass
    7. delete_move_next
    8. demo
    9. filters
    10. fortune
    11. info
    12. listcommands
    13. mail_fetch
    14. message_details
    15. newmail
    16. sent_subfolders
    17. spamcop
    18. squirrelspell
    19. test
    20. translate

R   Return to Main Menu
C   Turn color on
S   Save data
Q   Quit

Command >>
 <-- 6 (the number of the change_sqlpass plugin)


SquirrelMail Configuration : Read: config.php (1.4.0)
---------------------------------------------------------
Plugins
  Installed Plugins
    1. view_as_html
    2. compatibility
    3. change_sqlpass

  Available Plugins:
    4. administrator
    5. bug_report
    6. calendar
    7. delete_move_next
    8. demo
    9. filters
    10. fortune
    11. info
    12. listcommands
    13. mail_fetch
    14. message_details
    15. newmail
    16. sent_subfolders
    17. spamcop
    18. squirrelspell
    19. test
    20. translate

R   Return to Main Menu
C   Turn color on
S   Save data
Q   Quit

Command >>
 <-- S


SquirrelMail Configuration : Read: config.php (1.4.0)
---------------------------------------------------------
Plugins
  Installed Plugins
    1. view_as_html
    2. compatibility
    3. change_sqlpass

  Available Plugins:
    4. administrator
    5. bug_report
    6. calendar
    7. delete_move_next
    8. demo
    9. filters
    10. fortune
    11. info
    12. listcommands
    13. mail_fetch
    14. message_details
    15. newmail
    16. sent_subfolders
    17. spamcop
    18. squirrelspell
    19. test
    20. translate

R   Return to Main Menu
C   Turn color on
S   Save data
Q   Quit

Command >> S

Data saved in config.php
Press enter to continue...
<-- press ENTER


SquirrelMail Configuration : Read: config.php (1.4.0)
---------------------------------------------------------
Plugins
  Installed Plugins
    1. view_as_html
    2. compatibility
    3. change_sqlpass

  Available Plugins:
    4. administrator
    5. bug_report
    6. calendar
    7. delete_move_next
    8. demo
    9. filters
    10. fortune
    11. info
    12. listcommands
    13. mail_fetch
    14. message_details
    15. newmail
    16. sent_subfolders
    17. spamcop
    18. squirrelspell
    19. test
    20. translate

R   Return to Main Menu
C   Turn color on
S   Save data
Q   Quit

Command >>
 <-- Q

Now we need to enable the squirrelmail as follows:

a2enconf squirrelmail
service apache2 reload

Now you can type in http://server1.example.com/squirrelmail or http://192.168.0.100/squirrelmail in your browser to access SquirrelMail.

Log in with your email address (e.g. [email protected]) and your password:

You should find the welcome email in your inbox:

To change your password, go to Options and then select Change Password:

Type in your current password and then your new password twice:

If the password has been changed successfully, you will see the following error message which means you must log in again with your new password (because the old one isn't active anymore):

 

17 References

 

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From: srijan