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

How to make sendmail.cf

1. 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)

2. 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

3. Edit /etc/mail/relay-domains
   

   192.168.0. 202.144.158.

4. Edit /etc/mail/local-host-names
   

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

5. Enable imap, imaps, ipop3, pop3s, sendmail using by ntsysv

   # ntsysv

6. 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

7. 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

1. 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.

2. 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 [email protected] 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

1. Edit /etc/mail/access

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

2. Convert access to access.db

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

3. Restart sendmail

   # /etc/init.d/sendmail restart

Remove blacklist message automatically

1. 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

2. Make a blacklist $HOME/.blacklist

   [email protected] [email protected] [email protected] [email protected]

Aliases name

1. Edit /etc/aliases

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

2. 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

1. Edit ~/.forward file to forward all messages.

   [email protected]

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