When subscribers sign up to our double opt-in list they are not always receiving confirmation emails. I tested it myself with a couple of different email addresses and one sent to a hotmail address never arrived. It wasn't even junked. Some large corporates subscribers never see confirmations either. Is there anything that can be done to improve the deliverability of double opt-in confirmation emails?
Hi Paul, welcome to the forums! It's probably best that our team takes a look at your account and confirmation emails in order to provide useful recommendations - if you contact our support team, we'd be more than happy to do this for you.
If you haven't already set up DomainKeys, we highly recommend you do this, too - here's a guide on how to get started.
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