From 2c531aa76d154e3b09d7eac5d6029646a488f221 Mon Sep 17 00:00:00 2001 From: M66B Date: Wed, 17 Jul 2019 08:33:49 +0200 Subject: [PATCH] Updated FAQ --- FAQ.md | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/FAQ.md b/FAQ.md index df2742e1e4..e8f6707efb 100644 --- a/FAQ.md +++ b/FAQ.md @@ -1658,10 +1658,13 @@ This is why texts with dots are sometimes incorrectly recognized as links, which Spam filtering, verification of the [DKIM](https://en.wikipedia.org/wiki/DomainKeys_Identified_Mail) signature and [SPF](https://en.wikipedia.org/wiki/Sender_Policy_Framework) authorization is a task of email servers, not of an email client. -However, FairEmail will show a small warning flag +However, FairEmail will show a small red warning flag when DKIM, SPF or [DMARC](https://en.wikipedia.org/wiki/DMARC) authentication failed on the receiving server. You can enable/disable [authentication verification](https://en.wikipedia.org/wiki/Email_authentication) in the behavior settings. +FairEmail can show a warning flag too when the domain name of the (reply) email address of the sender does not define an MX record pointing to an email server. +This can be enabled in the receive settings. Be aware that this will slow down synchronization of messages significantly. + If legitimate messages are failing authentication, you should notify the sender because this will result in a high risk of messages ending up in the spam folder. Moreover, without proper authentication there is a risk the sender will be impersonated. The sender might use [this tool](https://www.mail-tester.com/) to check authentication and other things.