Shopify IP Addresses on Email Blacklist

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We have received a high number of customer complaints (guessing approx. 1/3 of all orders) that they are not receiving order confirmation emails.

I hired an expert technical resource to diagnose the issue, and he concluded that several of the IP addresses for the outgoing email server are on blacklists. This is causing email delivery issues for our store.

See for yourself:

Enter the IP Addresses to view the blacklist issues:


Please request to be removed from these blacklists because they are causing bad email delivery issues.