Re:I can no longer recommend MailChimp
by CodeWriter23 on Tuesday October 31, 2017 @06:24PM
(#15597128)
In the short term, probably more revenue. But once they race to the bottom of deliverability rates (like SES, for example), MailChimp will forever have lost it’s major defining feature: emails that actually make it to the inbox.
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I suspect they would use different IP addresses for deliverability depending on a single or double opt-in subscription in order to manage that risk. That would be the sensible think to do at least.
Re:I can no longer recommend MailChimp
by CodeWriter23 on Tuesday October 31, 2017 @07:24PM
(#15597585)
That might work against the primitive RBLs like SpamHaus, that rely on DNS-style blacklisting.
In the world of carrier-grade email providers, they outsource spam scoring to one (or more) of a selection of about 3 vendors (Symantec, CloudMark come to mind). These systems also score against the sending domain, among a number of other factors. Source: my best friend is a lead engineer at a carrier-grade email provider.
And playing whack-a-mole with changing sending domains is ill advised as that will lose the benefit of any whitelisting occurring client side.
What exactly is a carrier-grade email provider?
Re:I can no longer recommend MailChimp
by CodeWriter23 on Thursday November 02, 2017 @05:15AM
(#15608884)
ISPs/free email at scale (Gmail, etc). Think billions of messages per day. Or where the majority of any audience of an email list receives their email.