After enabling one domain in DKIM , you get errors in the GUI when trying to enable the others The operation couldn’t be performed because object ‘xxxxx.com’ […]
Tag: DKIM
Dkim Check
https://www.appmaildev.com/en/dkim
Netsuite – SPF Records
What a mission this was!Oracle netsuite just flat out refuse to give you a list of IP Address’ for their sending servers“Support will not provide a list […]
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 […]
Mimecast Holding Items after putting them in Permitted Senders
Search for the message in Mimecast Then Copy the Header to Clipboard and Search for “Fail”You can see any DNS checks it might have failed e.g. :
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 […]
ATO ( Australian Tax Office ) Enables DKIM verification for received emails
An email from this sender could not be delivered to your mailbox as it has failed DKIM verification. To comply with government security standards the ATO cannot […]
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 […]