Mimecast provides “cloud cybersecurity services for email, data and web,” specializing in cloud-based email management for Microsoft Exchange and Microsoft Office 365, including security, archiv…
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Google's Gmail might be the preeminent mailbox provider. Launched in 2004 , Gmail has grown from the "new kid on the block" into one of the biggest hosts of individ…
Back in the day, these used to be called Postmaster Pages (or Postmaster Sites ) and they are where email senders would go to look for help when having deliverability issues. Won…
The question, “Why does Microsoft hate me?” is something I hear a lot lately. I’m not sure Microsoft actually hates any of you, but it’s clear that many senders are frustrated wi…
Mail.de is a German provider of email services, founded in 2009 . I can't find any information about the size of their user base, but they seem to be in the top ten or top fi…
1&1 is a large email and web hosting provider headquartered in Germany, but with a large presense throughout Europe and a significant showing in the US. They host mail usi…
Apple's iCloud Mail is a top ten consumer email mailbox provider based in the US, hosting consumer mailboxes at the domains mac.com, me.com and icloud.com. Apple may not a…
An updated version of this guide can be found here .
Once called Verizon Media Group, but now back to the more familiar name of Yahoo Inc. , you might know them as internet service providers AOL, Yahoo and Verizon. The email platfo…
