From 4288d52f5ce7c9a291b95c33fb5071f0ae5e4d03 Mon Sep 17 00:00:00 2001 From: Dennis Baaten Date: Wed, 5 Jun 2019 19:48:16 +0200 Subject: [PATCH] Updated SPF how to (markdown) --- SPF-how-to.md | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/SPF-how-to.md b/SPF-how-to.md index 0a46e21..14239fe 100644 --- a/SPF-how-to.md +++ b/SPF-how-to.md @@ -41,21 +41,21 @@ The [Postfix SMTP server](http://www.postfix.org/smtpd.8.html) seems to be proce The follow table provides a schematic overview of an SMTP conversation and relates specific stages to Postfix' access restriction lists. -| Part of the SMTP conversation | Associated access restriction list | Comments +| Part of the SMTP conversation | Associated Postfix access restriction list | Comments | --- | --- | --- | | Connected to 192.168.1.1 (192.168.1.1). | | | | Escape character is '^]'. | | | | 220 mail.example.com ESMTP Postfix | [smtpd_client_restrictions](http://www.postfix.org/postconf.5.html#smtpd_client_restrictions) | | | HELO mail.example.com | [smtpd_helo_restrictions](http://www.postfix.org/postconf.5.html#smtpd_helo_restrictions) | | | 250 mail.example.com | | | -| MAIL FROM: | [smtpd_sender_restrictions](http://www.postfix.org/postconf.5.html#smtpd_sender_restrictions) | RFC5321.MailFrom, Return-Path, Envelope sender, Envelope from --> used by **SPF** | +| MAIL FROM: | [smtpd_sender_restrictions](http://www.postfix.org/postconf.5.html#smtpd_sender_restrictions) | Aliases: RFC5321.MailFrom, Return-Path, Envelope Sender, Envelope From
Used by **SPF** | | 250 2.1.0 Ok | | | | RCPT TO: | [smtpd_recipient_restrictions](http://www.postfix.org/postconf.5.html#smtpd_recipient_restrictions) | | | 250 2.1.5 Ok | | | | DATA | [smtpd_data_restrictions](http://www.postfix.org/postconf.5.html#smtpd_data_restrictions) | | | | 354 End data with . | | | | To: | | header checks | -| From: | | RFC5322.From, headar from, message from --> used by DKIM | +| From: | | Aliases: RFC5322.From, Header From, Message From
Used by DKIM | | Subject: Test message | | | | This is a test message | | body checks | | . | | | @@ -120,4 +120,4 @@ score SPF_HELO_FAIL 5.0 score SPF_HELO_SOFTFAIL 5.0 ``` -This means that.... +This means that either a soft fail (~all) or a hard fail (-all) policy will result in the e-mail being classified as spam if the IP-address or host is not in the domain's SPF record.