What is DMARC?

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What is DMARC?

Okay, so, DMARC. check What is it, right? check (Good question, by the way.) Basically, its like... check managed it security services provider um...

What is DMARC? - managed it security services provider

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a bouncer for your email domain. You know, like at a club? Except instead of checking IDs, it checks if emails claiming to be from your domain are actually legit.


Think of it this way: you got "yourcompany.com," yeah? You wanna make sure nobody can pretend to be you and send out fake emails that look like theyre from you. managed it security services provider Could be spam, could be phishing scams, could be embarrassing cat pictures (you never know!). Thats where DMARC comes in.


DMARC builds on two other email authentication things: SPF (Sender Policy Framework) and DKIM (DomainKeys Identified Mail). managed service new york SPF basically says, "Okay, only these servers are allowed to send emails from my domain." managed service new york DKIM adds a digital signature to your emails, kinda like a tamper-proof seal.


Now, DMARC? check managed services new york city It tells email providers what to do if an email fails SPF or DKIM checks. You get three choices, essentially. You can tell them to:



  1. "None" (monitor only; basically just tell me whats happening, dont block anything). managed it security services provider managed services new york city This is usually where you start.

  2. "Quarantine" (put the suspect emails in the junk folder).

  3. "Reject" (bounce the emails back to the sender completely). Ouch!


Setting up DMARC can be a bit technical (involving DNS records and all that jazz), but its super important for protecting your brand and your customers.

What is DMARC? - check

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I mean, nobody wants to get a dodgy email that looks like its from a company they trust, right?


So yeah, thats DMARC in a nutshell. Is it perfect? Nah, nothing is.

What is DMARC? - managed service new york

    But its a really good tool to have in your email security arsenal (sounds cool, eh?). Hope that makes sense!

    managed service new york

    What is DMARC?