Postfix

Docs

• Homepage
• http://www.postfix.org/ADDRESS_CLASS_README.html
• Postfix on FreeBSD
• Postfix survival guide
• Postfix and Amavis
• Postfix and SpamAssassin
• postfix+spamd
• postfix with spamassass-milter on freebsd
• FAQ
• Postfix with clamav-milter
• Postfix wiki
• postfix dovecot
• postfix amavisd-new freebsd
• http://souptonuts.sourceforge.net/postfix_tutorial.html
• Setting up automatic relay_recipient_maps in postfix
• http://wiki.kartbuilding.net/index.php/Postfix_SMTP#Blocking_Spam_with_spamhaus_and_Postfix
• Postfix on Debian
• http://www.postfix.org/VIRTUAL_README.html

Postfix and smtp auth/sasl

• http://mirrors.loonybin.net/postfix_tls/doc/setup.html (this is a good one!)
• http://www.postfix.org/SASL_README.html
• http://wiki.dovecot.org/HowTo/PostfixAndDovecotSASL?action=show&redirect=PostfixAndDovecotSASL
• http://adomas.org/2006/08/postfix-dovecot/
• http://postfix.state-of-mind.de/patrick.koetter/smtpauth/smtp_auth_mailservers.html
• http://forums.macosxhints.com/archive/index.php/t-96919.html

Postfix and Network Solutions certificates

#The private key, readable for root only!
smtpd_tls_key_file = privkey.pem
#the certificate you received from NS
smtpd_tls_cert_file = /etc/ssl/MY.HOST.COM.crt
#NetworkSolutions_CA.crt and UTNAddTrustServer_CA.crt combined in a single file
#
smtpd_tls_CAfile = /etc/postfix/intermediate.pem

Postfix and LDAP

• Postfix LDAP
• Hosting Multiple Domains with Virtual Accounts
• LDAP Support in Postfix
• Virtual hosting with LDAP
• Postfix LDAP Howto v2.1
• http://www.root-it.fiberworld.nl/vriesman.tk/postfix-courier-ldap-howto.html
• http://swik.net/Postfix+LDAP
• http://gentoo-wiki.com/HOWTO_Postfix-LDAP_virtual_users_with_qmail_schema
• http://www.ldapsource.com/content/ldap_postfix.html
• http://www.boobah.info/howto/postfix-ldap.html

Spam filtering

• http://jimsun.linxnet.com/misc/postfix-anti-UCE.txt
• http://www.xnote.com/howto/postfix-spamassassin.html
• http://www.akadia.com/services/postfix_spamassassin.html
• Filtering spam with Postfix

ldap and aliases

• http://www.postfix.org/LDAP_README.html
• http://www.howtoforge.com/mandriva-directory-server-on-debian-etch-p3

man ldap_table
man maildirquota

Notes

• postconf
• postsuper

FAQ

queue

Clean the postfix queue

mailq | grep ^[A-F0-9]| awk '{ print $1 }'|  while read i;do postsuper -d  ${i};done

View message in queue

postcat

Delete message from queue

postsuper -d 

Postfix as secondary MX

relay_domains = foo.com, bar.com
relay_recipient_maps =
          hash:/etc/postfix/relay_recipients

4.7.0 DNS timeout

Most likely cause by sid-filter, aka milter-sid, aka sid-milter. Try adding "-D" to the rc.conf or defaults or whatever file starting it.