Letter of exclusive use of IP Addresses for my DO Servers

  • Posted July 30, 2013

As an Email Service Provider I am considering warming up some email servers on Digital Ocean. The only problem I have is that as part of the Microsoft Junk Email Reporting program I am required to provide a letter of exclusive use for any IP for which I am not the registered owner.

Can Digital Ocean provide this to me?



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Can’t you accomplish the same thing by registering with (Microsoft’s) SenderID and, in addition, creating SPF records? <i>See</i> <a href=“” target=“_blank”>How to use an SPF Record to Prevent Spoofing & Improve E-mail Reliability</a>. <br> <br>Not to sound like I’m quick to stick up for D.O., but given that someone could simply destroy a droplet shortly after a Letter of Exclusive Use is issued, I’m surprised Microsoft would put so many ‘eggs’ in that ‘basket.’ While I see the argument that someone w/integrity would want to protect their reputation, it’s not necessarily those people that Microsoft should be worried about. <br> <br>It follows, then, that if a dirty, rotten spammer is willing to do a little dance to obtain a letter from an IAAS provider, only to destroy its approved cloud instances after obtaining a Letter of Exclusive Use, then how were Microsoft’s e-mail customers protected from the big, bad spammer by that Letter of Exclusive Use?

The answer from support is, “No, they will not provide a letter of exclusive use for an IP because if I destroy the droplet the IP is no longer exclusive use.”. I understand this and explained how it is in my best interests to remove those IP’s from my account with Microsoft’s Junk Email Program if a were to the destroy the droplet in order to keep my own reputation from suffering due to the next owner of that IP. I fail to comprehend Digital Ocean’s stance - if they say, “As of x/x/xx our customer so and so has exclusive use of this IP.” - This is good enough for MS. How is this a problem? When they write the letter it is a true statement. If I destroy the droplet tomorrow it doesn’t make it any less true than the day they provided the letter. <br> <br>Oh well…I tried.

Please open up a support ticket so we can forward this to the appropriate person. Thanks!

You might be better off sending in a support ticket through the account dashboard.