Ubuntu 14.04
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WebMail : SquirrelMail2016/01/31
 
Install SquirrelMail to configure web-based mail transfer system like yahoo mail. This example is based on the environment like follows.
www.srv.world : SquirrelMail Installed Server
mail.srv.world : SMTP/IMAP Server
[1]
Configure SMTP Server, refer to here.
[2]
Configure IMAP Server, refer to here.
[3]
Install PHP on http Server, refer to here.
[4]
Configure SSL Settings on http Server, refer to here.
[5] Install and Configure SquirrelMail.
root@www:~#
apt-get -y install squirrelmail
root@www:~#
curl -O http://www.squirrelmail.org/plugins/compatibility-2.0.16-1.0.tar.gz

root@www:~#
curl -O http://www.squirrelmail.org/plugins/empty_trash-2.0-1.2.2.tar.gz

root@www:~#
curl -O http://www.squirrelmail.org/plugins/secure_login-1.4-1.2.8.tar.gz

root@www:~#
tar zxvf compatibility-2.0.16-1.0.tar.gz -C /usr/share/squirrelmail/plugins

root@www:~#
tar zxvf empty_trash-2.0-1.2.2.tar.gz -C /usr/share/squirrelmail/plugins

root@www:~#
tar zxvf secure_login-1.4-1.2.8.tar.gz -C /usr/share/squirrelmail/plugins

root@www:~#
rm -f ./*.tar.gz

# run config script

root@www:~#
/usr/share/squirrelmail/config/conf.pl

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 off
S   Save data
Q   Quit
Command >>
1
   
# select

SquirrelMail Configuration : Read: config.php (1.4.0)
---------------------------------------------------------
Organization Preferences
1.  Organization Name      : SquirrelMail
2.  Organization Logo      : ../images/sm_logo.png
3.  Org. Logo Width/Height : (308/111)
4.  Organization Title     : SquirrelMail $version
5.  Signout Page           :
6.  Top Frame              : _top
7.  Provider link          : http://squirrelmail.org/
8.  Provider name          : SquirrelMail

R   Return to Main Menu
C   Turn color off
S   Save data
Q   Quit
Command >>
5
   
# select


When users click the Sign Out button they will be logged out and
then sent to signout_page.  If signout_page is left empty,
(hit space and then return) they will be taken, as normal,
to the default and rather sparse SquirrelMail signout page.
[]:
/squirrelmail
   
# change logout page

SquirrelMail Configuration : Read: config.php (1.4.0)
---------------------------------------------------------
Organization Preferences
1.  Organization Name      : SquirrelMail
2.  Organization Logo      : ../images/sm_logo.png
3.  Org. Logo Width/Height : (308/111)
4.  Organization Title     : SquirrelMail $version
5.  Signout Page           : /squirrelmail
6.  Top Frame              : _top
7.  Provider link          : http://squirrelmail.org/
8.  Provider name          : SquirrelMail

R   Return to Main Menu
C   Turn color off
S   Save data
Q   Quit
Command >>
r
   
# back to main menu

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 off
S   Save data
Q   Quit
Command >>
2
   
# select

SquirrelMail Configuration : Read: config.php (1.4.0)
---------------------------------------------------------
Server Settings

General
-------
1.  Domain                 : localhost
2.  Invert Time            : false
3.  Sendmail or SMTP       : Sendmail

A.  Update IMAP Settings   : localhost:143 (uw)
B.  Change Sendmail Config : /usr/sbin/sendmail

R   Return to Main Menu
C   Turn color off
S   Save data
Q   Quit
Command >>
1
   
# select


The domain name is the suffix at the end of all email addresses.  If
for example, your email address is jdoe@example.com, then your domain
would be example.com.
[localhost]:
srv.world
   
# change to the own domainname

SquirrelMail Configuration : Read: config.php (1.4.0)
---------------------------------------------------------
Server Settings

General
-------
1.  Domain                 : srv.world
2.  Invert Time            : false
3.  Sendmail or SMTP       : Sendmail

A.  Update IMAP Settings   : localhost:143 (uw)
B.  Change Sendmail Config : /usr/sbin/sendmail

R   Return to Main Menu
C   Turn color off
S   Save data
Q   Quit
Command >>
3
   
# select


You now need to choose the method that you will use for sending
messages in SquirrelMail.  You can either connect to an SMTP server
or use sendmail directly.

  1.  Sendmail
  2.  SMTP
Your choice [1/2] [1]:
2
   
# change to SMTP

SquirrelMail Configuration : Read: config.php (1.4.0)
---------------------------------------------------------
Server Settings

General
-------
1.  Domain                 : srv.world
2.  Invert Time            : false
3.  Sendmail or SMTP       : SMTP

A.  Update IMAP Settings   : localhost:143 (uw)
B.  Update SMTP Settings   : localhost:25

R   Return to Main Menu
C   Turn color off
S   Save data
Q   Quit
Command >>
A
   
# select

SquirrelMail Configuration : Read: config.php (1.4.0)
---------------------------------------------------------
Server Settings

General
-------
1.  Domain                 : srv.world
2.  Invert Time            : false
3.  Sendmail or SMTP       : SMTP

IMAP Settings
--------------
4.  IMAP Server            : localhost
5.  IMAP Port              : 143
6.  Authentication type    : login
7.  Secure IMAP (TLS)      : false
8.  Server software        : uw
9.  Delimiter              : /

B.  Update SMTP Settings   : localhost:25
H.  Hide IMAP Server Settings

R   Return to Main Menu
C   Turn color off
S   Save data
Q   Quit
Command >>
4
   
# select


This is the hostname where your IMAP server can be contacted.
[localhost]:
mail.srv.world
   
# specify IMAP server

SquirrelMail Configuration : Read: config.php (1.4.0)
---------------------------------------------------------
Server Settings

General
-------
1.  Domain                 : srv.world
2.  Invert Time            : false
3.  Sendmail or SMTP       : SMTP

IMAP Settings
--------------
4.  IMAP Server            : mail.srv.world
5.  IMAP Port              : 143
6.  Authentication type    : login
7.  Secure IMAP (TLS)      : false
8.  Server software        : uw
9.  Delimiter              : /

B.  Update SMTP Settings   : localhost:25
H.  Hide IMAP Server Settings

R   Return to Main Menu
C   Turn color off
S   Save data
Q   Quit
Command >>
8
   
# select


Each IMAP server has its own quirks.  As much as we tried to stick
to standards, it doesn't help much if the IMAP server doesn't follow
the same principles.  We have made some work-arounds for some of
these servers.  If you would like to use them, please select your
IMAP server.  If you do not wish to use these work-arounds, you can
set this to "other", and none will be used.
    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
    other       = Not one of the above servers
[other]:
dovecot
   
# change to Dovecot

SquirrelMail Configuration : Read: config.php (1.4.0)
---------------------------------------------------------
Server Settings

General
-------
1.  Domain                 : srv.world
2.  Invert Time            : false
3.  Sendmail or SMTP       : SMTP

IMAP Settings
--------------
4.  IMAP Server            : mail.srv.world
5.  IMAP Port              : 143
6.  Authentication type    : login
7.  Secure IMAP (TLS)      : false
8.  Server software        : dovecot
9.  Delimiter              : /

B.  Update SMTP Settings   : localhost:25
H.  Hide IMAP Server Settings

R   Return to Main Menu
C   Turn color off
S   Save data
Q   Quit
Command >>
9
   
# select


This is the delimiter that your IMAP server uses to distinguish between
folders.  For example, Cyrus uses '.' as the delimiter and a complete
folder would look like 'INBOX.Friends.Bob', while UW uses '/' and would
look like 'INBOX/Friends/Bob'.  Normally this should be left at 'detect'
but if you are sure you know what delimiter your server uses, you can
specify it here.

To have it autodetect the delimiter, set it to 'detect'.
[detect]:
detect
   
# input "detect"

SquirrelMail Configuration : Read: config.php (1.4.0)
---------------------------------------------------------
Server Settings

General
-------
1.  Domain                 : srv.world
2.  Invert Time            : false
3.  Sendmail or SMTP       : SMTP

IMAP Settings
--------------
4.  IMAP Server            : mail.srv.world
5.  IMAP Port              : 143
6.  Authentication type    : login
7.  Secure IMAP (TLS)      : false
8.  Server software        : dovecot
9.  Delimiter              : detect

B.  Update SMTP Settings   : localhost:25
H.  Hide IMAP Server Settings

R   Return to Main Menu
C   Turn color off
S   Save data
Q   Quit
Command >>
B
   
# select

SquirrelMail Configuration : Read: config.php (1.4.0)
---------------------------------------------------------
Server Settings

General
-------
1.  Domain                 : srv.world
2.  Invert Time            : false
3.  Sendmail or SMTP       : SMTP

SMTP Settings
-------------
4.   SMTP Server           : localhost
5.   SMTP Port             : 25
6.   POP before SMTP       : false
7.   SMTP Authentication   : none
8.   Secure SMTP (TLS)     : false
9.   Header encryption key :

A.  Update IMAP Settings   : mail.srv.world:143 (dovecot)
H.  Hide SMTP Settings

R   Return to Main Menu
C   Turn color off
S   Save data
Q   Quit
Command >>
4
   
# select


This is the hostname of your SMTP server.
[localhost]:
mail.srv.world
   
# specify SMTP server

SquirrelMail Configuration : Read: config.php (1.4.0)
---------------------------------------------------------
Server Settings

General
-------
1.  Domain                 : srv.world
2.  Invert Time            : false
3.  Sendmail or SMTP       : SMTP

SMTP Settings
-------------
4.   SMTP Server           : mail.srv.world
5.   SMTP Port             : 25
6.   POP before SMTP       : false
7.   SMTP Authentication   : none
8.   Secure SMTP (TLS)     : false
9.   Header encryption key :

A.  Update IMAP Settings   : mail.srv.world:143 (dovecot)
H.  Hide SMTP Settings

R   Return to Main Menu
C   Turn color off
S   Save data
Q   Quit
Command >>
7
   
# select


If you have already set the hostname and port number, I can try to
automatically detect the mechanisms your SMTP server supports.
Auto-detection is *optional* - you can safely say "n" here.
Try to detect auth mechanisms? [y/N]:
y
   
# yes (auto detect)

Trying to detect supported methods (SMTP)...
Testing none:           SUPPORTED
Testing login:          SUPPORTED
Testing plain:          SUPPORTED
Testing CRAM-MD5:       NOT SUPPORTED
Testing DIGEST-MD5:     NOT SUPPORTED

What authentication mechanism do you want to use for SMTP connections?
none - Your SMTP server does not require authorization.
login - Plaintext. If you can do better, you probably should.
plain - Plaintext. If you can do better, you probably should.
cram-md5 - Slightly better than plaintext.
digest-md5 - Privacy protection - better than cram-md5.

*** YOUR SMTP SERVER MUST SUPPORT THE MECHANISM YOU CHOOSE HERE ***
If you don't understand or are unsure, you probably want "none"
none, login, plain, cram-md5, or digest-md5 [none]:
login
   
# select "login" on this example


SMTP authentication uses IMAP username and password by default.

Would you like to use other login and password for all SquirrelMail
SMTP connections? [y/N]:
n
   
# no (use IMAP authentication)

SquirrelMail Configuration : Read: config.php (1.4.0)
---------------------------------------------------------
Server Settings

General
-------
1.  Domain                 : srv.world
2.  Invert Time            : false
3.  Sendmail or SMTP       : SMTP

SMTP Settings
-------------
4.   SMTP Server           : mail.srv.world
5.   SMTP Port             : 25
6.   POP before SMTP       : false
7.   SMTP Authentication   : login (with IMAP username and password)
8.   Secure SMTP (TLS)     : false
9.   Header encryption key :

A.  Update IMAP Settings   : mail.srv.world:143 (dovecot)
H.  Hide SMTP Settings

R   Return to Main Menu
C   Turn color off
S   Save data
Q   Quit
Command >>
r
   
# back to main menu

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 off
S   Save data
Q   Quit
Command >>
10
   
# select

SquirrelMail Configuration : Read: config.php (1.4.0)
---------------------------------------------------------
Language preferences
1.  Default Language       : en_US
2.  Default Charset        : iso-8859-1
3.  Enable lossy encoding  : false

R   Return to Main Menu
C   Turn color off
S   Save data
Q   Quit
Command >>
1
   
# select


SquirrelMail attempts to set the language in many ways.  If it
can not figure it out in another way, it will default to this
language.  Please use the code for the desired language.
[en_US]:
ja_JP
   
# specify your own language

SquirrelMail Configuration : Read: config.php (1.4.0)
---------------------------------------------------------
Language preferences
1.  Default Language       : ja_JP
2.  Default Charset        : iso-8859-1
3.  Enable lossy encoding  : false

R   Return to Main Menu
C   Turn color off
S   Save data
Q   Quit
Command >>
2
   
# select


This option controls what character set is used when sending
mail and when sending HTML to the browser.

This option is used only when default language is 'en_US'.
[iso-8859-1]:
iso-2022-jp
   
# specify your own language

SquirrelMail Configuration : Read: config.php (1.4.0)
---------------------------------------------------------
Language preferences
1.  Default Language       : ja_JP
2.  Default Charset        : iso-2022-jp
3.  Enable lossy encoding  : false

R   Return to Main Menu
C   Turn color off
S   Save data
Q   Quit
Command >>
r
   
# back to main menu

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 off
S   Save data
Q   Quit
Command >>
4
   
# select

SquirrelMail Configuration : Read: config.php (1.4.0)
---------------------------------------------------------
General Options
1.  Data Directory               : /var/lib/squirrelmail/prefs/
2.  Attachment Directory         : /var/spool/squirrelmail/attach/
3.  Directory Hash Level         : 0
4.  Default Left Size            : 150
5.  Usernames in Lowercase       : false
6.  Allow use of priority        : true
7.  Hide SM attributions         : false
8.  Allow use of receipts        : true
9.  Allow editing of identity    : true
    Allow editing of name        : true
    Remove username from header  : false
10. Allow server thread sort     : true
11. Allow server-side sorting    : true
12. Allow server charset search  : true
13. Enable UID support           : true
14. PHP session name             : SQMSESSID
15. Location base                :
16. Only secure cookies if poss. : true
17. Disable secure forms         : false
18. Page referal requirement     :

R   Return to Main Menu
C   Turn color off
S   Save data
Q   Quit
Command >>
7
   
# Hide SM attributions select

Hide SM attributions (y/n) [n]:
y
   
# Yes

SquirrelMail Configuration : Read: config.php (1.4.0)
---------------------------------------------------------
General Options
1.  Data Directory               : /var/lib/squirrelmail/prefs/
2.  Attachment Directory         : /var/spool/squirrelmail/attach/
3.  Directory Hash Level         : 0
4.  Default Left Size            : 150
5.  Usernames in Lowercase       : false
6.  Allow use of priority        : true
7.  Hide SM attributions         : true
8.  Allow use of receipts        : true
9.  Allow editing of identity    : true
    Allow editing of name        : true
    Remove username from header  : false
10. Allow server thread sort     : true
11. Allow server-side sorting    : true
12. Allow server charset search  : true
13. Enable UID support           : true
14. PHP session name             : SQMSESSID
15. Location base                :
16. Only secure cookies if poss. : true
17. Disable secure forms         : false
18. Page referal requirement     :

R   Return to Main Menu
C   Turn color off
S   Save data
Q   Quit
Command >>
r
   
# back to main menu

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 off
S   Save data
Q   Quit
Command >>
8
   
# select

SquirrelMail Configuration : Read: config.php (1.4.0)
---------------------------------------------------------
Plugins
  Installed Plugins
    1. delete_move_next
    2. squirrelspell
    3. newmail

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

R   Return to Main Menu
C   Turn color off
S   Save data
Q   Quit
Command >>
7
   
# add compatibility (number is changed on each env)

SquirrelMail Configuration : Read: config.php (1.4.0)
---------------------------------------------------------
Plugins
  Installed Plugins
    1. delete_move_next
    2. squirrelspell
    3. newmail
    4. compatibility

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

R   Return to Main Menu
C   Turn color off
S   Save data
Q   Quit
Command >>
8
 
# add empty_trash (number is changed on each env)

SquirrelMail Configuration : Read: config.php (1.4.0)
---------------------------------------------------------
Plugins
  Installed Plugins
    1. delete_move_next
    2. squirrelspell
    3. newmail
    4. compatibility
    5. empty_trash

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

R   Return to Main Menu
C   Turn color off
S   Save data
Q   Quit
Command >>
15
   
# add secure_login (number is changed on each env)

SquirrelMail Configuration : Read: config.php (1.4.0)
---------------------------------------------------------
Plugins
  Installed Plugins
    1. delete_move_next
    2. squirrelspell
    3. newmail
    4. compatibility
    5. empty_trash
    6. secure_login

  Available Plugins:
    7. administrator
    8. bug_report
    9. calendar
    10. filters
    11. fortune
    12. info
    13. listcommands
    14. mail_fetch
    15. message_details
    16. sent_subfolders
    17. spamcop
    18. test
    19. translate
    20. undelete

R   Return to Main Menu
C   Turn color off
S   Save data
Q   Quit
Command >>
q
   
# quit


You have not saved your data.
Save? [Y/n]:
y
   
# save

Data saved in config.php

Exiting conf.pl.
You might want to test your configuration by browsing to
http://your-squirrelmail-location/src/configtest.php
Happy SquirrelMailing!
root@www:~#
cp /usr/share/squirrelmail/plugins/secure_login/config.sample.php /usr/share/squirrelmail/plugins/secure_login/config.php

root@www:~#
vi /usr/share/squirrelmail/plugins/secure_login/config.php
# line 24: change (continue SSL connection after login)

$change_back_to_http_after_login =
0
;
root@www:~#
ln -s /etc/squirrelmail/apache.conf /etc/apache2/conf-available/squirrelmail.conf

root@www:~#
a2enconf squirrelmail

Enabling conf squirrelmail.
To activate the new configuration, you need to run:
service apache2 reload
root@www:~#
/etc/init.d/apache2 restart

* Restarting web server apache2
...done.
[6] Access to 'https://(your server's name or IP address/)/squirrelmail/', then login form is shown like follows. Authenticate your user name and password to login.
[7] Just logined. Try to send or receive messages on here.
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