Ransomware email protected by DMARC
Virus bulletin has an interesting post about DMARC and how some criminals are protecting their emails with DMARC.
Virus bulletin has an interesting post about DMARC and how some criminals are protecting their emails with DMARC.
Salesforce has published a SPF record for sending emails from Salesforce for years and with the Spring ’15 release, they will provide the option to sign with DKIM.
The SPF record is straight forward, include:_spf.salesforce.com
which includes _spf.google.com, _spfblock.salesforce.com
, several IP address blocks, mx, and ends with a SoftFail ~all
.
Salesforce Knowledge Article Number: 000006347 goes in-depth with information regarding their SPF Record.
According to a recent blog post, Office365 is starting to evaluate incoming messages for DMARC. I talked a little bit about DMARC in April when Yahoo started publishing a p=reject message.
Read MoreThere are 3 types of authentication currently in use for email.