Tuesday, January 18, 2011

Sendmail Tips

 
Mail Solution(Sendmail):
 
SMTP port: 25
POP3 port: 110
n uses the following configuration files:
Filename
Function
/etc/mail/access
sendmail access database file
/etc/mail/aliases
Mailbox aliases
/etc/mail/local-host-names
Lists of hosts sendmail accepts mail for
/etc/mail/mailer.conf
Mailer program configuration
/etc/mail/mailertable
Mailer delivery table
/etc/mail/sendmail.cf
sendmail master configuration file
/etc/mail/virtusertable
Virtual users and domain tables
 
Required Services: sendmail, imap, imaps, pop3, pop3s
 

m4 /etc/mail/Sendmail.mc > /etc/mail/sendmail.cf

 
Mapping the email ids
 
makemap hash /etc/mail/virtusertable < /etc/mail/virtusertable
 
 
Reject the unwanted mail & Relay
 
makemap hash /etc/mail/access < /etc/mail/access
 
Vi /etc/mail/access
 
                            baskar@aol.com                            REJECT
                            baskar@microsoft.com              REJECT
                           Baskar@baskar.com             RELAY
 

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