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Laborator 05: Serviciul de e-mail
1. Trimiterea și citirea e-mail-urilor local (2p)
Comenzi/concepte/fișiere
postfix
mail
/etc/aliases
newaliases
.forward
Tutorial
Verificați dacă utilitarul mail
este instalat. Comanda mail
(sau mailx
) poate fi folosită pentru transmiterea sau recepționarea de email-uri, din linia de comandă.
Folosiți mail
pentru a trimite un mesaj din contul utilizatorului root
către student
.
root@mjolnir:~# echo "Hello" | mail -s hello student
student@mjolnir:~$ ls -l /var/mail/student
-rw-rw---- 1 student mail 590 Dec 14 20:45 /var/mail/student
student@mjolnir:~$ cat /var/mail/student
From root@mjolnir.labs.cs.pub.ro Wed Dec 14 20:45:00 2011
Return-path: <root@mjolnir.labs.cs.pub.ro>
Envelope-to: student@mjolnir.labs.cs.pub.ro
Delivery-date: Wed, 14 Dec 2011 20:45:00 +0200
Received: from root by mjolnir.labs.cs.pub.ro with local (Exim 4.76)
(envelope-from <root@mjolnir.labs.cs.pub.ro>)
id 1Ratp6-0002VY-0X
for student@mjolnir.labs.cs.pub.ro; Wed, 14 Dec 2011 20:45:00 +0200
To: student@mjolnir.labs.cs.pub.ro
Subject: hello
Message-Id: <E1Ratp6-0002VY-0X@mjolnir.labs.cs.pub.ro>
From: root <root@mjolnir.labs.cs.pub.ro>
Date: Wed, 14 Dec 2011 20:45:00 +0200
Hello
student@mjolnir:~$ mail
Mail version 8.1.2 01/15/2001. Type ? for help.
"/var/mail/student": 1 message 1 new
>N 1 root@mjolnir.labs Wed Dec 14 20:43 16/590 hello
& 1
Message 1:
From root@mjolnir.labs.cs.pub.ro Wed Dec 14 20:43:19 2011
Envelope-to: student@mjolnir.labs.cs.pub.ro
Delivery-date: Wed, 14 Dec 2011 20:43:19 +0200
To: student@mjolnir.labs.cs.pub.ro
Subject: hello
From: root <root@mjolnir.labs.cs.pub.ro>
Date: Wed, 14 Dec 2011 20:43:19 +0200
Hello
& q
Saved 1 message in /home/student/mbox
Exerciții
Show solution Hide solution
Show solution
root@mjolnir:~# apt-get install postfix
[02]. Inspectând conexiunile TCP active, aflați portul pe care ascultă serverul de mail conexiuni. (Hint: netstat
)
[02].a Cum se numește executabilul asociat?
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root@mjolnir:~# netstat -lntp | grep ":25"
tcp 0 0 0.0.0.0:25 0.0.0.0:* LISTEN 10866/master
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root@mjolnir:~# groupadd alice
root@mjolnir:~# useradd -d /home/alice -m -g alice -s /bin/bash alice
root@mjolnir:~# echo "alice:alice" | chpasswd
root@mjolnir:~# groupadd bob
root@mjolnir:~# useradd -d /home/bob -m -g bob -s /bin/bash bob
root@mjolnir:~# echo "bob:bob" | chpasswd
root@mjolnir:~# groupadd charlie
root@mjolnir:~# useradd -d /home/charlie -m -g charlie -s /bin/bash charlie
root@mjolnir:~# echo "charlie:charlie" | chpasswd
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alice@mjolnir:~$ echo "Mesaj de la alice catre bob" | mail -s "Hello" bob
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bob@mjolnir:~$ mail
Mail version 8.1.2 01/15/2001. Type ? for help.
"/var/mail/bob": 1 message 1 new
>N 1 alice@mjolnir.lab Wed Dec 14 21:02 14/494 Hello
& 1
Message 1:
From alice@mjolnir.labs.cs.pub.ro Wed Dec 14 21:02:52 2011
X-Original-To: bob
To: bob@mjolnir.labs.cs.pub.ro
Subject: Hello
Date: Wed, 14 Dec 2011 21:02:52 +0200 (EET)
From: alice@mjolnir.labs.cs.pub.ro
Mesaj de la alice catre bob
&
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& r 1
To: alice@mjolnir.labs.cs.pub.ro bob@mjolnir.labs.cs.pub.ro
Subject: Re: Hello
Reply de la bob catre alice
.
Cc:
&
alice@mjolnir:~$ mail
Mail version 8.1.2 01/15/2001. Type ? for help.
"/var/mail/alice": 1 message 1 new
>N 1 bob@mjolnir.labs. Wed Dec 14 21:04 16/611 Re: Hello
& 1
Message 1:
From bob@mjolnir.labs.cs.pub.ro Wed Dec 14 21:04:31 2011
X-Original-To: alice@mjolnir.labs.cs.pub.ro
To: alice@mjolnir.labs.cs.pub.ro, bob@mjolnir.labs.cs.pub.ro
Subject: Re: Hello
In-Reply-To: <20111214190252.EB4346A@mjolnir.labs.cs.pub.ro>
Date: Wed, 14 Dec 2011 21:04:31 +0200 (EET)
From: bob@mjolnir.labs.cs.pub.ro
Reply de la bob catre alice
&
Show solution Hide solution
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root@mjolnir:~# tail -n 1 /etc/aliases
contact:alice
root@mjolnir:~# newaliases
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bob@mjolnir:~$ echo "Mesaj de la bob catre contact" | mail -s "Test alias contact" contact
alice@mjolnir:~$ mail
Mail version 8.1.2 01/15/2001. Type ? for help.
"/var/mail/alice": 1 message 1 new
>N 1 bob@mjolnir.labs. Wed Dec 14 21:11 14/515 Test alias contact
& 1
Message 1:
From bob@mjolnir.labs.cs.pub.ro Wed Dec 14 21:11:30 2011
X-Original-To: contact
To: contact@mjolnir.labs.cs.pub.ro
Subject: Test alias contact
Date: Wed, 14 Dec 2011 21:11:30 +0200 (EET)
From: bob@mjolnir.labs.cs.pub.ro
Mesaj de la bob catre contact
&
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student@mjolnir:~$ cat .forward
bob
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alice@mjolnir:~$ echo "Mesaj de la alice catre student si charlie" | mail -s "Test forward" -c charlie student
student@mjolnir:~$ mail
No mail for student
bob@mjolnir:~$ mail
Mail version 8.1.2 01/15/2001. Type ? for help.
"/var/mail/bob": 1 message 1 unread
>U 1 alice@mjolnir.lab Wed Dec 14 21:14 19/711 Test forward
& 1
Message 1:
From alice@mjolnir.labs.cs.pub.ro Wed Dec 14 21:14:46 2011
X-Original-To: student
To: student@mjolnir.labs.cs.pub.ro
Subject: Test forward
Cc: charlie@mjolnir.labs.cs.pub.ro
Date: Wed, 14 Dec 2011 21:14:46 +0200 (EET)
From: alice@mjolnir.labs.cs.pub.ro
Mesaj de la alice catre student si charlie
&
charlie@mjolnir:~$ mail
Mail version 8.1.2 01/15/2001. Type ? for help.
"/var/mail/charlie": 1 message 1 new
>N 1 alice@mjolnir.lab Wed Dec 14 21:14 15/563 Test forward
& 1
Message 1:
From alice@mjolnir.labs.cs.pub.ro Wed Dec 14 21:14:46 2011
X-Original-To: charlie
To: student@mjolnir.labs.cs.pub.ro
Subject: Test forward
Cc: charlie@mjolnir.labs.cs.pub.ro
Date: Wed, 14 Dec 2011 21:14:46 +0200 (EET)
From: alice@mjolnir.labs.cs.pub.ro
Mesaj de la alice catre student si charlie
&
2. Configurări Postfix (2p)
Tutorial
Exerciții
Toate configurările de Postfix vor fi realizate folosind postconf (Hint: curs, slide 17)
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root@mjolnir:~# postconf | grep "mydestination ="
mydestination = mjolnir.labs.cs.pub.ro, localhost.labs.cs.pub.ro, , localhost
root@mjolnir:~# postconf -e 'mydestination = mjolnir.labs.cs.pub.ro, localhost.labs.cs.pub.ro, , localhost, gsr.ro'
root@mjolnir:~# /etc/init.d/postfix restart
Stopping Postfix Mail Transport Agent: postfix.
Starting Postfix Mail Transport Agent: postfix.
root@mjolnir:~# head -n 3 /etc/hosts
127.0.0.1 localhost
127.0.1.1 mjolnir.labs.cs.pub.ro mjolnir
127.0.0.1 gsr.ro mail.gsr.ro
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student@mjolnir:~$ echo "Mesaj de la student catre alice@gsr.ro" | mail -s "Mesaj catre alice@gsr.ro" alice@gsr.ro
alice@mjolnir:~$ mail
Mail version 8.1.2 01/15/2001. Type ? for help.
"/var/mail/alice": 1 message 1 new
>N 1 student@mjolnir.l Wed Dec 14 21:26 14/524 Mesaj catre alice@gsr.ro
& 1
Message 1:
From student@mjolnir.labs.cs.pub.ro Wed Dec 14 21:26:45 2011
X-Original-To: alice@gsr.ro
To: alice@gsr.ro
Subject: Mesaj catre alice@gsr.ro
Date: Wed, 14 Dec 2011 21:26:45 +0200 (EET)
From: student@mjolnir.labs.cs.pub.ro (Student CS)
Mesaj de la student catre alice@gsr.ro
&
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root@mjolnir:~# postconf | grep "myhostname ="
myhostname = mjolnir.labs.cs.pub.ro
root@mjolnir:~# postconf -e 'myhostname = gsr.ro'
root@mjolnir:~# /etc/init.d/postfix restart
Stopping Postfix Mail Transport Agent: postfix.
Starting Postfix Mail Transport Agent: postfix.
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root@mjolnir:~# postconf | grep "myorigin ="
append_at_myorigin = yes
myorigin = /etc/mailname
root@mjolnir:~# postconf -e 'myorigin = $myhostname'
root@mjolnir:~# /etc/init.d/postfix restart
Stopping Postfix Mail Transport Agent: postfix.
Starting Postfix Mail Transport Agent: postfix.
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alice@mjolnir:~$ echo "Mesaj de la alice catre bob@gsr.ro" | mail -s "Catre bob@gsr.ro" bob@gsr.ro
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bob@mjolnir:~$ mail
Mail version 8.1.2 01/15/2001. Type ? for help.
"/var/mail/bob": 1 message 1 new
>N 1 alice@gsr.ro Wed Dec 14 21:40 14/407 Catre bob@gsr.ro
& 1
Message 1:
From alice@gsr.ro Wed Dec 14 21:40:30 2011
X-Original-To: bob@gsr.ro
To: bob@gsr.ro
Subject: Catre bob@gsr.ro
Date: Wed, 14 Dec 2011 21:40:30 +0200 (EET)
From: alice@gsr.ro
Mesaj de la alice catre bob@gsr.ro
&
3. Configurare Courier IMAP și Maildir (2.5p)
Nu este subiect de examen!
Tutorial
Exerciții
[01]. Instalați un pachet care să conțină utilitarul maildirmake
.
[01].a. Căutați toate pachetele care conțin fișierul din /bin maildirmake
. (Hint: apt-file
, grep
)
[01].b. Din lista de pachete găsită instalați pachetul de bază pentru courier
. Alegeți opțiunile default din asistentul de instalare.
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root@mjolnir:~# apt-file search maildirmake | grep /usr/bin
courier-base: /usr/bin/maildirmake.courier
dovecot-core: /usr/bin/maildirmake.dovecot
maildrop: /usr/bin/maildirmake.maildrop
root@mjolnir:~# apt-get install courier-base
[02]. Configurați suportul de Maildir în Postfix. (Hint: curs, slide 22)
[02].a. home_mailbox = Maildir/
[02].b. mailbox_command =
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root@mjolnir:~# postconf | grep "home_mailbox ="
home_mailbox =
root@mjolnir:~# postconf | grep "mailbox_command ="
mailbox_command = procmail -a "$EXTENSION"
root@mjolnir:~# postconf -e "home_mailbox = Maildir/"
root@mjolnir:~# postconf -# mailbox_command
root@mjolnir:~# postconf | grep "mailbox_command ="
mailbox_command =
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root@mjolnir:~# apt-get install courier-imap
root@mjolnir:~# apt-get install libgamin0
root@mjolnir:~# /etc/init.d/courier-imap restart
Stopping Courier IMAP server: imapd.
Starting Courier IMAP server: imapd.
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root@mjolnir:~# netstat -lntp | grep courier
tcp6 0 0 :::143 :::* LISTEN 14373/couriertcpd
root@mjolnir:~# getent services imap
imap2 143/tcp imap
[05]. Creați un director de tip Maildir în home-ul utilizatorului alice
(calea către director va trebui să fie /home/alice/Maildir/
) (Hint: maildirmake
)
[05].a. Atenție: După creare, directorul Maildir/
trebuie să fie deținut de utilizatorul alice
.
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alice@mjolnir:~$ maildirmake /home/alice/Maildir
alice@mjolnir:~$ ls -l
total 8
drwx------ 5 alice alice 4096 Dec 14 22:07 Maildir
-rw------- 1 alice alice 1683 Dec 14 21:28 mbox
alice@mjolnir:~$ ls -lR Maildir/
Maildir/:
total 12
drwx------ 2 alice alice 4096 Dec 14 22:07 cur
drwx------ 2 alice alice 4096 Dec 14 22:07 new
drwx------ 2 alice alice 4096 Dec 14 22:07 tmp
Maildir/cur:
total 0
Maildir/new:
total 0
Maildir/tmp:
total 0
[06]. Instalați clientul de e-mail Mozilla Thunderbird.
[06].a. Hint: în Debian, Thunderbird a fost redenumit. Va trebui să găsiți numele pachetului care îl conține.
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root@mjolnir:~# apt-get install icedove
[07]. Configurați Thunderbird pentru a se conecta la serverul de IMAP local (localhost), în contul utilizatorului alice
. Mesajele vor fi trimise, de asemenea, folosind MTA-ul local (localhost).
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*Applications -> Internet -> Icedove Mail/News
*Mail Account Setup
*Your name: Alice
*Email address: alice@gsr.ro
*Password: alice
*Continue
*Manual Setup
*Server name -> gsr.ro
*Connection security -> none
*Authentication method -> Password, transmitted insecurely
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bob@mjolnir:~$ echo "Mesaj de la bob catre alice@gsr.ro" | mail -s "Test Thunderbird" alice@gsr.ro
Thunderbird -> Get Mail.
4. Configurare suport SASL/TLS în Postfix (3p)
Tutorial
Exerciții
4.1 Configurați SASL pentru a autentifica utilizatorii care trimit mesaje prin Postfix (2.5p)
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root@mjolnir:~# apt-get install libsasl2-2 sasl2-bin libsasl2-modules
smtpd_sasl_local_domain =
smtpd_sasl_auth_enable = yes
smtpd_sasl_security_options = noanonymous
broken_sasl_auth_clients = yes
#smtpd_recipient_restrictions = permit_sasl_authenticated,permit_mynetworks,reject_unauth_destination
smtpd_recipient_restrictions = permit_sasl_authenticated,reject_unauth_destination
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root@mjolnir:~# postconf -e 'smtpd_sasl_local_domain ='
root@mjolnir:~# postconf -e 'smtpd_sasl_auth_enable = yes'
root@mjolnir:~# postconf -e 'smtpd_sasl_security_options = noanonymous'
root@mjolnir:~# postconf -e 'broken_sasl_auth_clients = yes'
root@mjolnir:~# postconf -e 'smtpd_recipient_restrictions = permit_sasl_authenticated,permit_mynetworks,reject_unauth_destination'
root@mjolnir:~# /etc/init.d/postfix restart
Stopping Postfix Mail Transport Agent: postfix.
Starting Postfix Mail Transport Agent: postfix.
[03]. În fișierul de configurare pentru SMTP (
/etc/sasl2/smtpd.conf
- îl creați dacă nu există) configurați ca metodă de autentificare
saslauthd
:
pwcheck_method: saslauthd
mech_list: plain login
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root@mjolnir:~# cat /etc/postfix/sasl/smtpd.conf
pwcheck_method: saslauthd
mech_list: plain login
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root@mjolnir:~# mkdir -p /var/spool/postfix/var/run/sslauthd
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root@mjolnir:~# cat /etc/default/saslauthd | grep /var/spool/postfix/var/run/saslauthd
# Example for chroot Postfix users: "-c -m /var/spool/postfix/var/run/saslauthd"
OPTIONS="-c -m /var/spool/postfix/var/run/saslauthd"
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root@mjolnir:~# cat /etc/default/saslauthd | grep START
START=yes
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root@mjolnir:~# cat /etc/default/saslauthd | grep MECHANISMS
# Example: MECHANISMS="pam"
MECHANISMS="shadow"
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root@mjolnir:~# /etc/init.d/saslauthd restart
Stopping SASL Authentication Daemon: saslauthd.
Starting SASL Authentication Daemon: saslauthd.
[09]. Rulați comanda
dpkg-statoverride --add root sasl 710 /var/spool/postfix/var/run/saslauthd
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root@mjolnir:~# dpkg-statoverride --add root sasl 710 /var/spool/postfix/var/run/saslauthd
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root@mjolnir:~# usermod -a -G sasl postfix
root@mjolnir:~# groups postfix
postfix : postfix sasl
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root@mjolnir:~# /etc/init.d/saslauthd restart
Stopping SASL Authentication Daemon: saslauthd.
Starting SASL Authentication Daemon: saslauthd.
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root@mjolnir:~# /etc/init.d/postfix restart
Stopping Postfix Mail Transport Agent: postfix.
Starting Postfix Mail Transport Agent: postfix.
[13]. Reconfigurați Thunderbird pentru a putea trimite mail-uri din contul alice
(va trebui să configurați clientul pentru a utiliza autentificarea configurată mai devreme).
[13].a. O configurare corectă a suportului de SASL în Postfix va duce la solicitarea introducerii parolei în momentul transmiterii mesajului.
[13].b. Edit → Account Settings → Outgoing Server
[13].c. Outgoing server name: gsr.ro
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*Edit -> Account Settings -> Outgoing Server -> Edit
*Description: gsr.ro
*Server Name: gsr.ro
*Port:25
*Connection Security: STARTTLS
*Authentication method: Normal password
*User Name: alice
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bob@mjolnir:~/Maildir/new$ ls -l
total 4
-rw------- 1 bob bob 603 Dec 14 23:11 1323897107.V1aI277M588830.mjolnir
bob@mjolnir:~/Maildir/new$ cat 1323897107.V1aI277M588830.mjolnir
Return-Path: <alice@gsr.ro>
X-Original-To: bob@gsr.ro
Delivered-To: bob@gsr.ro
Received: from [127.0.0.1] (localhost [127.0.0.1])
by gsr.ro (Postfix) with ESMTPSA id 8B3686F
for <bob@gsr.ro>; Wed, 14 Dec 2011 23:11:47 +0200 (EET)
Message-ID: <4EE9110F.1010104@gsr.ro>
Date: Wed, 14 Dec 2011 23:11:43 +0200
From: Alice <alice@gsr.ro>
User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.24) Gecko/20111114 Icedove/3.1.16
MIME-Version: 1.0
To: bob@gsr.ro
Subject: From alice within Thunderbird
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
Hello
4.2 Configurați TLS pentru a deschide conexiuni securizate către Postfix (0.5p)
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root@mjolnir:~# apt-cache search courier | grep ssl
courier-imap-ssl - Courier mail server - IMAP over SSL
courier-mta-ssl - Courier mail server - ESMTP over SSL
courier-pop-ssl - Courier mail server - POP3 over SSL
courier-ssl - Courier mail server - SSL/TLS Support
root@mjolnir:~# apt-get install courier-imap-ssl
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*Edit -> Account Settings -> Server Settings -> Connection security -> SSL/TLS
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bob@mjolnir:~$ echo "Mesaj de la bob catre alice@gsr.ro - SSL" | mail -s "Test Thunderbird" alice@gsr.ro
5. Maildrop (1.5p)
Tutorial
Exerciții
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root@mjolnir:~# apt-get install maildrop
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root@mjolnir:~# postconf -e 'mailbox_command = /usr/bin/maildrop -d $USER'
root@mjolnir:~# /etc/init.d/postfix restart
Stopping Postfix Mail Transport Agent: postfix.
Starting Postfix Mail Transport Agent: postfix.
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File -> New -> Mail Account
[04]. Configurați fișierul ~/.mailfilter
din home-ul utilizatorului bob
pentru ca:
[04].a. mesajele care au mai mult de 3 linii să fie livrate în directorul Maildir/.big
.
[04].b. mesajele care vin de la
alice@gsr.ro
(From: Alice
alice@gsr.ro) să fie livrate în directorul
Maildir/.alice
.
[04].c. mesajele care conțin în subiect șirul test
să fie livrate în directorul Maildir/.test
.
[04].d. Hint: Curs, slide 28
[04].e. Hint: Creați directoarele big
, alice
și test
ca subdirectoare ale Inbox
în interfața Thunderbird. Consecința este crearea (folosind IMAP) a directoarelor .big
, .alice
și .test
în Maildir/
.
[04].f. Hint: Urmăriți log-urile (/var/log/mail.log
) pentru descoperirea problemelor.
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bob@mjolnir:~$ cat .mailfilter
MAILDIR=$HOME/Maildir
if ( /^From: Alice <alice@gsr.ro>/ )
{
to $MAILDIR/.alice
}
if ( $LINES > 3 )
{
to $MAILDIR/.big
}
if ( /^Subject: .*test.* /)
{
to $MAILDIR/.test
}
to $MAILDIR/
Bonus
[01]. Alias-uri avansate: Configurați domeniile virtuale gsr-cs.ro
și gsr-upb.ro
și alias-urile (curs, slide 21):
[01].a. contact@gsr-cs.ro → alice
[01].b. info@gsr-cs.ro → bob
[01].c sales@gsr-upb.ro → alice
[01].d. office@gsr-upb.ro → bob
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root@mjolnir:~# postconf -e 'virtual_alias_domains = gsr-cs.ro gsr-upb.ro'
root@mjolnir:~# postconf -e 'virtual_alias_maps = hash:/etc/postfix/virtual'
root@mjolnir:~# cat /etc/postfix/virtual
contact@gsr-cs.ro alice
info@gsr-cs.ro bob
sales@gsr-upb.ro alice
office@gsr-upb.ro bob
root@mjolnir:~# postmap /etc/postfix/virtual
[02]. Configurați căsuțe postale virtuale cu utilizatori non-unix pentru domeniul gsr-rules.ro
.
[02].a. Directorul de bază pentru căsuțele poștare virtuale este /usr/local/mail/gsr-rules.ro/
.
[02].b. Utilizatorul dorin
va avea căsuța poștală, format Maildir, în directorul /usr/local/mail/gsr-rules.ro/dorin/
.
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root@mjolnir:~# groupadd virtual
root@mjolnir:~# useradd -d /home/virtual -m -g virtual -s /bin/bash virtual
root@mjolnir:~# echo "virtual:virtual" | chpasswd
root@mjolnir:~# mkdir -p /usr/local/mail/gsr-rules.ro
root@mjolnir:~# chown -R virtual:virtual /usr/local/mail/
root@mjolnir:~# getent passwd virtual
virtual:x:1005:1005::/home/virtual:/bin/bash
root@mjolnir:~# postconf -e 'virtual_mailbox_domains = gsr-rules.ro'
root@mjolnir:~# postconf -e 'virtual_mailbox_maps = hash:/etc/postfix/vmailbox'
root@mjolnir:~# postconf -e 'virtual_mailbox_base = /usr/local/mail/gsr-rules.ro'
root@mjolnir:~# postconf -e 'virtual_uid_maps = static:1005'
root@mjolnir:~# postconf -e 'virtual_gid_maps = static:1005'
root@mjolnir:~# cat /etc/postfix/vmailbox
dorin@gsr-rules.ro gsr-rules/dorin/
root@mjolnir:~# postmap /etc/postfix/vmailbox
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root@mjolnir:~# cat /etc/courier/authdaemonrc | grep "authmodulelist="
authmodulelist="authuserdb"
root@mjolnir:~# userdb info set uid=1005 gid=1005 home=/usr/local/mail/gsr-rules.ro/dorin/ mail=/usr/local/mail/gsr-rules.ro/dorin/
root@mjolnir:~# cat /etc/courier/userdb
info uid=1005|gid=1005|home=/usr/local/mail/gsr-rules.ro/dorin/|mail=/usr/local/mail/gsr-rules.ro/dorin/
root@mjolnir:~# userdbpw -md5 | userdb info set systempw
Password:
Reenter password:
root@mjolnir:~# makeuserdb
root@mjolnir:~# cat /etc/courier/userdb
info systempw=$1$6/NXTTBE$wioqqFuVEFXymHoMyVvfu.|uid=1005|mail=/usr/local/mail/gsr-rules.ro/dorin/|home=/usr/local/mail/gsr-rules.ro/dorin/|gid=1005