www.openspf.org
The homepage of the Sender Policy Framework project.
dmarc.org
DMARC.ORG is where the DMARC technical specification was born. There's a lot of good information to be had on the site, including FAQs, overviews, and news.
www.unlocktheinbox.com
The ultimate resource and tools site for email delivery, including DNS Tools, WHOIS Lookup, Blacklist Checker, IP Address converter, Spam Checker, and so much more.
We made available a plethora of free tools (located on the top navigation menu) ...
mail.live.com/mail/postmaster.aspx
This site provides information to information technology professionals who administer systems that send email to and receive email from Outlook.com. It also provides some information about how users with Outlook.com accounts can report junk email and p ...
www.iomart.com/managed-services/hosted-exchange/
100% uptime guaranteed Hosted Exchange email solutions at competitive pricing from iomart, a leading provider of cloud services to enterprises of all sizes.
www.messagestream.com
MessageStream is the UK’s largest and most popular cloud marketplace for resellers, where IT professionals and service providers can buy cloud services for their clients quickly and easily. One place, one click, one bill. It’s that simple.< ...
www.heartinternet.uk/email-hosting/hosted-exchange
Increase your productivity and profitability with feature-rich business email powered by Microsoft Exchange and Heart Internet.
Stay connected with efficient email and calendar tools to streamline your tasks. Microsoft Outlook 2013 is the most ...
products.office.com/en-gb/exchange/exchange-online
With Exchange Online - hosted email, you can access business email, calendar & contacts on your PC, smartphone & web browser from virtually anywhere.
www.emailfeedbackloops.com
Email feedback loop documentation, including how to apply for and use them.his site documents email feedback loops, including how to apply for and use them.
gmail.com/postmaster/
Use Postmaster Tools to analyze your email performance, and help Gmail route your messages to the right place.
Access Data and Diagnostics - Learn from Gmail delivery errors, spam reports, feedback loop, and more.
postmaster.live.com/snds/index.aspx
Deliverability to Outlook.com is based on your reputation. The Outlook.com Smart Network Data Services (SNDS) gives you the data you need to understand and improve your reputation at Outlook.com. But just looking at the data isn't enough! Maintaining a ...
postmaster.live.com/snds/JMRP.aspx
Smart Network Data Services (SNDS) and the Junk Mail Reporting Program (JMRP) are two services Outlook.com provides for email senders to receive feedback on their mail. SNDS provides an overview of your IP addresses, and shows relevant statistics like ...
