@ -2080,7 +2080,7 @@ This can be done automatically with [filter rules](#user-content-faq71) too.
Also, FairEmail can 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.
You can enable/disable [authentication verification](https://en.wikipedia.org/wiki/Email_authentication) in the display settings.
FairEmail can show a warning flag too if 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.