single opt-in

How to Protect Your Email List from Bots

We recently announced that we’re going to support single opt-in signups for MailChimp lists right from our own signup forms. This generated a lot of great conversation about deliverability—some that we expected, and some that surprised us. As the person who’s responsible for deliverability at MailChimp, I love it when people understand why this stuff …

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Why Single Opt-In? And an Update for Our EU Customers

Last Tuesday, we announced in an email to our customers that MailChimp is adding single opt-in as an option for email lists, and making it the default setting in new and existing lists starting October 31. However, we’ve made an important change for MailChimp users located in the European Union: If your primary contact address …

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