sendmail-8.11.6-3 (SMTP, POP3, IMAP4)

sendmail - an electronic mail transport agent

Installation

# rpm -ihv sendmail-8.11.6-3.i386.rpm
# rpm -ihv sendmail-doc-8.11.6-3.i386.rpm
# rpm -ihv sendmail-cf-8.11.6-3.i386.rpm
# rpm -ihv imap-2000c-15.i386.rpm
# rpm -ihv imap-devel-2000c-15.i386.rpm

Location of setting file

Path
/etc/mail/sendmail.mc
/etc/mail/access
/etc/mail/local-host-names
/etc/mail/relay-domains

How to make sendmail.cf

Edit /etc/mail/sendmail.mc

divert(-1)
dnl This is the sendmail macro config file. If you make changes to this file,
dnl you need the sendmail-cf rpm installed and then have to generate a
dnl new /etc/sendmail.cf by running the following command:
dnl
dnl        m4 /etc/mail/sendmail.mc > /etc/sendmail.cf
dnl
include(`/usr/share/sendmail-cf/m4/cf.m4')
VERSIONID(`linux setup for Red Hat Linux')dnl
OSTYPE(`linux')
define(`confDEF_USER_ID',``8:12'')dnl
define(`confAUTO_REBUILD')dnl
define(`confTO_CONNECT', `1m')dnl
define(`confTRY_NULL_MX_LIST',true)dnl
define(`confDONT_PROBE_INTERFACES',true)dnl
define(`PROCMAIL_MAILER_PATH',`/usr/bin/procmail')dnl
define(`ALIAS_FILE', `/etc/aliases')dnl
define(`UUCP_MAILER_MAX', `2000000')dnl
define(`confUSERDB_SPEC', `/etc/mail/userdb.db')dnl
define(`confPRIVACY_FLAGS', `authwarnings,novrfy,noexpn,restrictqrun')dnl
define(`confAUTH_OPTIONS', `A')dnl
FEATURE(`no_default_msa',`dnl')dnl
FEATURE(`smrsh',`/usr/sbin/smrsh')dnl
FEATURE(`mailertable',`hash -o /etc/mail/mailertable.db')dnl
FEATURE(`virtusertable',`hash -o /etc/mail/virtusertable.db')dnl
FEATURE(redirect)dnl
FEATURE(always_add_domain)dnl
FEATURE(use_cw_file)dnl
FEATURE(use_ct_file)dnl
FEATURE(local_procmail,`',`procmail -t -Y -a $h -d $u')dnl
FEATURE(`access_db',`hash -o /etc/mail/access.db')dnl
FEATURE(`blacklist_recipients')dnl
EXPOSED_USER(`root')dnl
DAEMON_OPTIONS(`port=smtp,Addr=202.144.158.205, Name=MTA')
FEATURE(`accept_unresolvable_domains')dnl
MAILER(smtp)dnl
MAILER(procmail)dnl
Cwlocalhost.localdomain
MASQUERADE_AS(yourdomain.bt)
MASQUERADE_DOMAIN(yourdomain.bt)
FEATURE(masquerade_entire_domain)
FEATURE(masquerade_envelope)

Edit /etc/mail/access

# Check the /usr/share/doc/sendmail-8.11.6/README.cf file for a description
# of the format of this file. (search for access_db in that file)
# The /usr/share/doc/sendmail-8.11.6/README.cf is part of the sendmail-doc
# package.
#
# by default we allow relaying from localhost...
# localhost.localdomain         RELAY
# localhost                     RELAY
# 127.0.0.1                     RELAY

Edit /etc/mail/relay-domains

192.168.0.
202.144.158.

Edit /etc/mail/local-host-names

# local-host-names - include all aliases for your machine here.
yourhost.yourdomain.bt

Enable imap, imaps, ipop3, pop3s, sendmail using by ntsysv
```
# ntsysv
```

Compile and restart sendmail

# m4 /etc/mail/sendmail.mc > /etc/sendmail.cf
# makemap hash /etc/mail/access.db < /etc/mail/access
# /etc/init.d/sendmail restart

Check the start-up log

# tail /var/log/message

...
Jun  6 22:28:45 yourname sendmail: sendmail shutdown succeeded
Jun  6 22:28:47 yourname sendmail: sendmail startup succeeded

How to test

Test by telnet

# telnet yourhost.yourdomain.bt 110
Trying 202.144.158.205...
Connected to yourhost.yourdomain.bt.
Escape character is '^]'.
+OK POP3 yourhost v6.50 server ready
hoge
-ERR Unknown command in AUTHORIZATION state
USER youruser
+OK User name accepted, password please
PASS ********
+OK Mailbox open, 15 messages
LIST
1 15086
2 13874
3 10065
4 15055
5 17742
6 15442
7 9176
8 9052
9 1471
10 37106
11 14620
12 8343
13 7457
14 14941
15 1418
.
QUIT
+OK Sayonara
Connection closed by foreign host.

Test sendmail.cf

# sendmail -bt -f /etc/sendmail.cf
ADDRESS TEST MODE (ruleset 3 NOT automatically invoked)
Enter <ruleset> <address>
> 0 youruser
parse              input: youruser
Parse0             input: youruser
Parse0           returns: youruser
ParseLocal         input: youruser
ParseLocal       returns: youruser
Parse1             input: youruser
Parse1           returns: $# local $: youruser
parse            returns: $# local $: youruser
> 0 youruser@yourdomain.bt
parse              input: youruser @ yourdomain . bt
Parse0             input: youruser @ yourdomain . bt
Parse0           returns: youruser @ yourdomain . bt
ParseLocal         input: youruser @ yourdomain . bt
ParseLocal       returns: youruser @ yourdomain . bt
Parse1             input: youruser @ yourdomain . bt
Parse1           returns: $# local $: youruser @ yourdomain . bt
parse            returns: $# local $: youruser @ yourdomain . bt
>

Reject SPAM domain

If you want to reject receiving mail (as SPAM) from particular domain, maintain /etc/mail/access

Edit /etc/mail/access

...
erohard.com                            REJECT
americanbranding.easywinning.com       REJECT
lists.zoanmail.com                     REJECT
vmadmin.com                            REJECT

Convert access to access.db

# makemap hash /etc/mail/access.db < /etc/mail/access

Restart sendmail
```
# /etc/init.d/sendmail restart
```

Remove blacklist message automatically

Remove blacklist message automatically by procmail

Edit $HOME/.procmailrc

BLACKLIST=$HOME/.blacklist

:0 h
*$ ? test -s $BLACKLIST
* ? (formail -x From: -x Reply-To: -x Sender: -x From | fgrep -iqf $BLACKLIST)
/dev/null

Make a blacklist $HOME/.blacklist

OnlineCasinoFun@vmadmin.com
aeb@americanbranding.easywinning.com
jackpot@workdaydeals.net
free-pix@erohard.com

Aliases name

Edit /etc/aliases

...
group1: user1, user2, user3, . . .
...

Rebuild the data base for the mail aliases file
Newaliases rebuilds the random access data base for the mail aliases file /etc/aliases. It must be run each time this file is changed in order for the change to take effect.
```
# newaliases
```

Message forwarding

Edit ~/.forward file to forward all messages.
```
forwarduser@somewhere.bt
```

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