Fighting SPAM - Sendmail

To Fight SPAM for Sendmail, modification of the sendmail.cf need to be done so that it can be functional well.

The Modification of the sendmail.cf file as below:

define(`confPRIVACY_FLAGS',`goaway')dnl
FEATURE(smrsh)dnl
define(`confMAX_HEADERS_LENGTH',16384)dnl
define(`confMAX_MESSAGE_SIZE',2097152)dnl
define(`confCONNECTION_RATE_THROTTLE',3)dnl
define(`confMAX_DAEMON_CHILDREN',12)dnl
define(`confSMTP_LOGIN_MSG', `$j server ready at $b')dnl
define(`confMAX_RCPTS_PER_MESSAGE,25)dnl

FEATURE(`relay_entire_domain')
FEATURE(`relay_based_on_MX')
FEATURE(`relay_local_from')
FEATURE(`relay_mail_from')
FEATURE(`loose_relay_check')
FEATURE(`accept_unresolvable_domains')
FEATURE(`accept_unresolvable_domains')
FEATURE(`access_db')
FEATURE(`relay_hosts_only')
FEATURE(`blacklist_recipients')
FEATURE(`dnsbl')
FEATURE(`delay_checks')