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<blockquote id="MAC_OUTLOOK_ATTRIBUTION_BLOCKQUOTE" style="BORDER-LEFT: #b5c4df 5 solid; PADDING:0 0 0 5; MARGIN:0 0 0 5;">
<div>Unfortunately, there are other services beyond just SMTP that use the</div>
<div>presence or lack there of for a PTR to enforce access rights. Most are</div>
<div>older protocols (IRC, Anonymous FTP, etc), but they're out there, and I'm</div>
<div>pretty sure that they'll still be out there for v6.</div>
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<div>And while I'd love to give out nothing for a v6 PTR record except for our</div>
<div>systems/biz customers, I'm not sure if these services will allow me to get</div>
<div>away with no PTR for residential customers...</div>
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<div>So maybe the default is no PTR for residential users, and they go to an account control panel to create one if they need it (with easy-to-find FAQs explaining this)?</div>
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<div>Jason</div>
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