Homepage
Open in app
Sign in
Get started
Understanding DMARC
Increase Email Deliverability
Protect Your Domain
Check your domain
Cyber security: The dullest purchase ever?
Cyber security: The dullest purchase ever?
Is the lack of excitement in cyber security procurement causing people to make bad choices?
Clare Holmes
Nov 21, 2017
Unmasking mysterious email sources
Unmasking mysterious email sources
A new simple way to uncover and secure email applications
Clare Holmes
Nov 15, 2017
Making spoofing simpler to solve
Making spoofing simpler to solve
Introducing our DMARC Buyer’s Guide to help demystify one of the foundations of email security
Clare Holmes
Nov 14, 2017
Do I ‘have’ DMARC?
Do I ‘have’ DMARC?
DMARC is a widely supported, standards based approach to email security. However that statement can also often cause confusion as it can…
Rahul Powar
Nov 10, 2017
Under reported, under adopted … and now under the spotlight
Under reported, under adopted … and now under the spotlight
To date the scale of the email impersonation problem has been understated meaning adoption of the essential DMARC protocol has been slow…
Dr Rois Ni Thuama
Oct 12, 2017
20 years on and email impersonation remains rife
20 years on and email impersonation remains rife
Did you know that every October we celebrate the birthday of the original email? In October 1971, computer engineer Ray Tomlinson…
Jay Singh
Oct 4, 2017
Will we ever trust emails from banks again?
Will we ever trust emails from banks again?
Does your insurer ever run special offers or incentive programmes, provide useful advice or launch new customer service initiatives? What…
Clare Holmes
Sep 7, 2017
Protecting Charities with DMARC
Protecting Charities with DMARC
Most of us donate money to charity and in turn charities do some truly inspiring and amazing work that benefits the wider community. The…
Jay Singh
Jul 25, 2017
Running a business? This is what you need to know about email security.
Running a business? This is what you need to know about email security.
Email is the lifeblood of businesses all over the world. It’s so essential that it sometimes seems more like an essential utility service…
Jay Singh
Jul 14, 2017
Topping up your SPF protection with DMARC
Topping up your SPF protection with DMARC
When talking to customers about OnDMARC, we’re often asked: what if I’m only using SPF in my organization at the moment? Can I use DMARC…
Jay Singh
Jul 7, 2017
WannaCry — what happens next?
WannaCry — what happens next?
By now, even people who may never had heard of computer worms or ransomware have heard about #WannaCry. What just happened and how can…
Rahul Powar
May 15, 2017
What the SPF is DKIM and who is DMARC?
What the SPF is DKIM and who is DMARC?
If you have ever looked at email security you probably looked away as fast as you can and attempted to forget you ever tried to wade…
Jay Singh
Mar 9, 2017
About Postmasters
Latest Stories
Archive
About Medium
Terms
Privacy
Teams