SendMail & Dovecot Configuration ...!!!!!!!!

Sendmail configuration----

Install these packages for sendmail

#yum install sendmail sendmail-cf dovecot -y

(# vim  “/etc/mail/sendmail.mc”

(comment the DAEMON_OPTIONS(`Port=smtp,Addr=127.0.0.1, Name=MTA'dnl))

#useradd usernamme

#passwd usernamme 

(create and set the smtp user's)

#vim /etc/mail/virtusertable

(usernamme@domainname      usernamme.domainname)

(@domainname               usernamme.domainname)

#/etc/mail/local-host-names    (domain name entry)

#/etc/mail/sendmail.mc

 (Add the three line )

     FEATURE(masquerade_envelope)

FEATURE(genericstable, `hash -o /etc/mail/genericstable')

GENERICS_DOMAIN_FILE(`/etc/mail/sendmail.gdf')

(Create these file and entry like that)

# /etc/mail/genericstable

(usernamme.domainname         usernamme@domainname)

(Create these file and entry the domainname)

#/etc/mail/sendmail.gdf 

#cd /etc/mail

#m4 /etc/mail/sendmail.mc /etc/mail/sendmail.cf

#make all

DoveCot Entry For sendmail

# yum install dovecot

vim /etc/dovecot/dovecot.conf

auth_mechanisms = plain login

mail_location = mbox:~/mail:INBOX=/var/mail/%u

vim /etc/dovecot/conf.d/10-auth.conf

disable_plaintext_auth = no   -  (Uncommitted this line and provide "yes")

auth_mechanisms = plain login

User Permission for mail sending and receving in Sendmail mail server

cd /home/username.domain/

mkdir mail

cd mail

mkdir .imap

cd .imap

mkdir INBOX

chown -R username.domain:username.domain /home/username.domain/mail/

chmod -R 700 /home/username.domain/