You can get a free RUF record analyzer from postmarkapp.com at https://dmarc.postmarkapp.com/For 365https://trust.valimail.com/Microsoft2021
Tag: DMARC
Valimail – Mostly failing forwarders
Sender Rewriting Scheme (SRS) functionality was added to Office 365 ( and other platforms ) to resolve a problem in which autoforwarding is incompatible with SPF.SRS rewriting […]
DNS Authentication – DMARC Fail
Recently had a customer have a bounce back for an email someone tried to send him with the error DNS Authentication – DMARC Fail DMARC Utilises DKIM and SPF […]
Mimecast Recommended SPF, DKIM and DMARC settings – DNS Inbound Authentication
https://community.mimecast.com/docs/DOC-2545#jive_content_id_Inbound_DNS_Authentication_Policy_Configuration You can also tighten down SPF to only allow specific email address to send from third party services instead of whole domain : https://www.jamieweb.net/blog/using-spf-macros-to-solve-the-operational-challenges-of-spf/
Stopping Fraudlent Spoof Emails SPAM
There’s been a new recent wave of spoof emails sent to companies , usually emailed to financial personnel’s pretending to be from the CEO to get quick […]
Office 365 Spam Avoidance
You can forward these emails to : [email protected] or use the Outlook plugin to report and hopefully Microsoft should block these in future : https://www.microsoft.com/en-us/download/details.aspx?id=18275 Microsoft have actually now got […]