這裏顯示兩個版本的差異處。
Both sides previous revision 前次修改 下次修改 | 前次修改 | ||
mail:postfix [2010/02/18 14:17] wenpei |
mail:postfix [2011/05/22 19:58] (目前版本) wenpei |
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行 52: | 行 52: | ||
mynetworks = 7.8.9.0/24 | mynetworks = 7.8.9.0/24 | ||
mynetworks = abc.orz # *.abc.orz | mynetworks = abc.orz # *.abc.orz | ||
+ | |||
+ | ===== SASL 認證 ===== | ||
+ | 透過 dovecot 來認證使用者。 | ||
+ | smtpd_sasl_type = dovecot | ||
+ | smtpd_sasl_path = /var/run/dovecot/auth-client | ||
+ | smtpd_sasl_auth_enable = yes | ||
+ | smtpd_sasl_authenticated_header = yes | ||
+ | smtpd_recipient_restrictions = permit_mynetworks, permit_sasl_authenticated, reject_unauth_destination | ||
+ | |||
+ | ===== TLS 加密 ===== | ||
+ | smtpd_tls_cert_file=/etc/ssl/certs/dovecot.pem | ||
+ | smtpd_tls_key_file=/etc/ssl/private/dovecot.pem | ||
+ | smtpd_use_tls=yes | ||
+ | smtpd_tls_session_cache_database = btree:${queue_directory}/smtpd_scache | ||
+ | smtp_tls_session_cache_database = btree:${queue_directory}/smtp_scache | ||
===== postqueue ===== | ===== postqueue ===== | ||
行 60: | 行 75: | ||
queue_run_delay = 1000s # 5m, 1h, 7d, etc (5 min, 1 hour, 7day) | queue_run_delay = 1000s # 5m, 1h, 7d, etc (5 min, 1 hour, 7day) | ||
- | ===== 更改退信訊息 ===== | + | ====== 更改退信訊息 ====== |
取得 postfix 原始檔,修改其中 src/bounce/bounce_notify_util.c 檔,然後重新編譯 | 取得 postfix 原始檔,修改其中 src/bounce/bounce_notify_util.c 檔,然後重新編譯 | ||
- | ===== 備份 ===== | + | ====== 備份 ====== |
/etc/postifx | /etc/postifx | ||
/etc/passwd | /etc/passwd | ||
行 72: | 行 87: | ||
====== Reference ====== | ====== Reference ====== | ||
Postfix 技術手冊:http://books.google.com/books?id=H9yrO841raoC | Postfix 技術手冊:http://books.google.com/books?id=H9yrO841raoC | ||
+ | ====== Amavisd - Anti-Spam / Anti-Virus ====== | ||
+ | ===== For FreeBSD ===== | ||
+ | http://www.wretch.cc/blog/chuchiming/15421032 | ||
+ | |||
+ | http://blog.weithenn.org/2009/06/freebsdpostfix-amavisd-new-uvscan.html | ||
+ | |||
+ | 經由 Amavisd 橋接,過濾垃圾信及病毒信。 | ||
+ | |||
+ | portinstall security/amavisd-new security/clamav p5-Mail-SpamAssassin | ||
+ | | ||
+ | 編輯 amavisd.conf 設定 | ||
+ | $mydomain = 'domain.name.tw'; | ||
+ | $sa_spam_subject_tag = '***SPAM*** '; | ||
+ | $sa_tag_level_deflt = 0; # add spam info headers if at, or above that level | ||
+ | $sa_tag2_level_deflt = 6; # add 'spam detected' headers at that level | ||
+ | $sa_kill_level_deflt = 25; # triggers spam evasive actions (e.g. blocks mail) | ||
+ | | ||
+ | 三個數值可依照需要修改。 | ||
+ | |||
+ | 設定各種問題信件的命運: | ||
+ | <code> | ||
+ | # $final_virus_destiny = D_DISCARD; | ||
+ | # $final_banned_destiny = D_BOUNCE; | ||
+ | # $final_spam_destiny = D_BOUNCE; | ||
+ | $final_bad_header_destiny = D_PASS; | ||
+ | </code> | ||
+ | |||
+ | 取消 ClamAV 的註解,並註解掉其他用不到的防毒方式。 | ||
+ | |||
+ | # ### http://www.clamav.net/ | ||
+ | ['ClamAV-clamd', | ||
+ | \&ask_daemon, ["CONTSCAN {}\n", "/var/run/clamav/clamd.sock"], | ||
+ | qr/\bOK$/m, qr/\bFOUND$/m, | ||
+ | qr/^.*?: (?!Infected Archive)(.*) FOUND$/m ], | ||
+ | |||
+ | 編輯 postfix/master.cf,加上 | ||
+ | <code> | ||
+ | smtp-amavis unix - - n - 2 smtp | ||
+ | -o disable_dns_lookups=yes | ||
+ | -o smtp_send_xforward_command=yes | ||
+ | |||
+ | 127.0.0.1:10025 inet n - n - - smtpd | ||
+ | -o content_filter= | ||
+ | -o local_recipient_maps= | ||
+ | -o relay_recipient_maps= | ||
+ | -o smtpd_restriction_classes= | ||
+ | -o smtpd_client_restrictions= | ||
+ | -o smtpd_helo_restrictions= | ||
+ | -o smtpd_sender_restrictions= | ||
+ | -o smtpd_recipient_restrictions=permit_mynetworks,reject | ||
+ | -o mynetworks=127.0.0.0/8 | ||
+ | -o strict_rfc821_envelopes=yes | ||
+ | </code> | ||
+ | |||
+ | 編輯 postfix/main.cf,加上 | ||
+ | content_filter = smtp-amavis:[127.0.0.1]:10024 | ||
+ | |||
+ | 編輯 /etc/rc.conf,加上 | ||
+ | amavisd_enable="YES" | ||
+ | |||
+ | 編輯 /etc/group,將 amavis 加入 clamav 的群組中,也將 clamav 加入 amavis 群組中 | ||
+ | | ||
+ | 重新啟動 postfix、amavisd、clameav。 | ||
+ | ==== 參考 ==== | ||
+ | * http://www.ijs.si/software/amavisd/ | ||
+ | * http://antbsd.twbbs.org/~ant/FNP/Old/amavisd-new.htm | ||
+ | * http://www.freebsddiary.org/virus-scanning.php | ||
+ | * http://www200.pair.com/mecham/spam/bypassing.html | ||
+ | * http://wiki.shsh.ylc.edu.tw/index.php/MailServer | ||
+ | ===== Debian ===== | ||
+ | http://www.debian.org.tw/index.php/Amavisd-new |