From df8b76236c16ec61625cdf54a8017a37c9995e17 Mon Sep 17 00:00:00 2001 From: Jean-Denis Vauguet Date: Mon, 1 Jun 2020 02:53:42 +0200 Subject: [PATCH] Updated Configure SPF (markdown) --- Configure-SPF.md | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Configure-SPF.md b/Configure-SPF.md index 1acb4b2..d4b65d8 100644 --- a/Configure-SPF.md +++ b/Configure-SPF.md @@ -2,6 +2,8 @@ From [Wikipedia](https://en.wikipedia.org/wiki/Sender_Policy_Framework): > Sender Policy Framework (SPF) is a simple email-validation system designed to detect email spoofing by providing a mechanism to allow receiving mail exchangers to check that incoming mail from a domain comes from a host authorized by that domain's administrators. The list of authorized sending hosts for a domain is published in the Domain Name System (DNS) records for that domain in the form of a specially formatted TXT record. Email spam and phishing often use forged "from" addresses, so publishing and checking SPF records can be considered anti-spam techniques. +For a more technical review: https://github.com/internetstandards/toolbox-wiki/blob/master/SPF-how-to.md + To add a SPF record in your DNS, insert the following line in your DNS zone: ; MX record must be declared for SPF to work