Re: [mailop] Quick practical question on DMARC.

2016-06-09 Thread Vladimir Dubrovin via mailop
DKIM is a way to authenticate message by signing domain, it doesn't tell you which domain should sign this message and what should you do if the messages is not signed. DMARC does not replace DKIM, is uses DKIM and SPF as an authentication mechanisms. DMARC is a way to publish an authentication

Re: [mailop] Quick practical question on DMARC.

2016-06-08 Thread John Levine
>I understand the idea of sending DMARC reports sounds great, but I don’t think >any of our business servers >support it as of yet, but I’ll definitely be asking vendors... I have 92,000 aggregate reports and 55,000 failure reports that I've gotten since 2012. If you're not a large provider, sen

Re: [mailop] Quick practical question on DMARC.

2016-06-08 Thread Michael Wise via mailop
You get reports of who out there is misusing your domain name, or if you’re misconfigured. DMARC is a way of telling others who to complain to if the authentication mechanism breaks, or exactly what you want done if the message doesn’t pass the various checks. Aloha, Michael. -- Michael J Wise