Differences

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--- postfix [2007/01/17 15:28]
a Spam Ninjas - Dinko Korunic’s blog
+++ postfix [2012/07/31 12:45] (current)
greebo old revision restored
@@ Line 9: / Line 9: @@
   * [[http://www.pantz.org/os/openbsd/postfix-spamd-dovecot.shtml|Some useful postfix rules]]
   * [[http://blog.dkorunic.net/|Spam Ninjas - Dinko Korunic’s blog]]
 ===== TODO =====
@@ Line 27: / Line 28: @@
   unverified_recipient_reject_code = 550
   unverified_sender_reject_code = 550
+smtpd_discard_ehlo_keywords = silent-discard, ETRN  VRFY
 ===== Different Setups =====
@@ Line 34: / Line 39: @@
   * [[postfix:asrelay|Postfix as relaying server (to Exchaneg/Domino)]]
   * [[postfix:advance|Advance postfix hacks]]
 ===== Cool :) postifx hacks =====
 here are some tips ..
+==== Making postfix only send through 'smart relayhost' when direct connection is not available ====
+I use this construction to have a fallback option when the direct connected ADSL-line is down: replace '**''relayhost''**' in '**main.cf**' by '**''smtp_fallback_relay''**'.
 ==== Hide internal/intranet address ====
@@ Line 58: / Line 68: @@
     /^((Resent-)?From|To|Cc|Date|Return-Path|Message-ID):/ OK
     /./ IGNORE
@@ Line 64: / Line 75: @@
 ''Be aware that if your IMAP server receives messages over LMTP, over-quota situations won't be discovered until after Postfix has accepted the message, so it will have to be bounced. If you want to reject mail for users over their quotas, you'll have to use an access table listing users who are over their quotas.''
+-02-06 (b) Not necessarily. If you use reject_unverified_recipient, cyrus LMTP rejects mail for over-quota mailbox and Postfix rejects them at SMTP stage.
 ----------------
@@ Line 167: / Line 177: @@
 .0.0.0/5	REJECT Domain MX in class E reserved network
 .0.0.0/5	REJECT Domain MX in reserved network
+source - IPv4 bogon list - http://www.cymru.com/Documents/bogon-bn-agg.txt
 ==========