postfix防垃圾邮件

Postfix 2.x

　打开/etc/postfix/main.cf文件，在其中增加如下的几行（如果相关的配置存在，就替换之）:

　vi /etc/postfix/main.cf

　[...]

　smtpd_helo_required = yes

　disable_vrfy_command = yes

　strict_rfc821_envelopes = yes

　invalid_hostname_reject_code = 554

　multi_recipient_bounce_reject_code = 554

　non_fqdn_reject_code = 554

　relay_domains_reject_code = 554

　unknown_address_reject_code = 554

　unknown_client_reject_code = 554

　unknown_hostname_reject_code = 554

　unknown_local_recipient_reject_code = 554

　unknown_relay_recipient_reject_code = 554

　unknown_sender_reject_code = 554

　unknown_virtual_alias_reject_code = 554

　unknown_virtual_mailbox_reject_code = 554

　unverified_recipient_reject_code = 554

　unverified_sender_reject_code = 554

　smtpd_recipient_restrictions =

　 reject_invalid_hostname,

　 reject_unknown_recipient_domain,

　 reject_unauth_pipelining,

　 permit_mynetworks,

　 permit_sasl_authenticated,

　 reject_unauth_destination,

　 reject_rbl_client multi.uribl.com,

　 reject_rbl_client dsn.rfc-ignorant.org,

　 reject_rbl_client dul.dnsbl.sorbs.net,

　 reject_rbl_client list.dsbl.org,

　 reject_rbl_client sbl-xbl.spamhaus.org,

　 reject_rbl_client bl.spamcop.net,

　 reject_rbl_client dnsbl.sorbs.net,

　 reject_rbl_client cbl.abuseat.org,

　 reject_rbl_client ix.dnsbl.manitu.net,

　 reject_rbl_client combined.rbl.msrbl.net,

　 reject_rbl_client rabl.nuclearelephant.com,

　 permit

　[...]

　然后重新启动Postfix:

　/etc/init.d/postfix restart

　Postfix 1.x

　打开/etc/postfix/main.cf，并在其中加入如下几行（如果相关的配置已经存在就替换之）：

　vi /etc/postfix/main.cf

　[...]

　smtpd_helo_required = yes

　disable_vrfy_command = yes

　strict_rfc821_envelopes = yes

　invalid_hostname_reject_code = 554

　multi_recipient_bounce_reject_code = 554

　non_fqdn_reject_code = 554

　relay_domains_reject_code = 554

　unknown_address_reject_code = 554

　unknown_client_reject_code = 554

　unknown_hostname_reject_code = 554

　unknown_local_recipient_reject_code = 554

　unknown_relay_recipient_reject_code = 554

　unknown_sender_reject_code = 554

　unknown_virtual_alias_reject_code = 554

　unknown_virtual_mailbox_reject_code = 554

　unverified_recipient_reject_code = 554

　unverified_sender_reject_code = 554

　maps_rbl_domains =

　 multi.uribl.com,

　 dsn.rfc-ignorant.org,

　 dul.dnsbl.sorbs.net,

　 list.dsbl.org,

　 sbl-xbl.spamhaus.org,

　 bl.spamcop.net,

　 dnsbl.sorbs.net,

　 cbl.abuseat.org,

　 ix.dnsbl.manitu.net,

　 combined.rbl.msrbl.net,

　 rabl.nuclearelephant.com

　smtpd_recipient_restrictions =

　 permit_sasl_authenticated,

　 permit_mynetworks,

　 reject_invalid_hostname,

　 reject_non_fqdn_hostname,

　 reject_non_fqdn_sender,

　 reject_unknown_sender_domain,

　 reject_unknown_recipient_domain,

　 reject_maps_rbl,

　 check_relay_domains

　[...]

　然后重新启动Postfix:

　/etc/init.d/postfix restart
,转自中国存储网，原文链接：http://www.chinastor.com/a/jishu/postfix/0G391622014.html