I have a list of E-Mail addresses opting in to subscribe to a newsletter. However, the form that collected the addresses did not send out a "double-opt-in" confirmation E-Mail, which is legally required in the country our web site runs in.

We use MailChimp as our mailing service. MailChimp allows manually adding E-Mail addresses and lists of addresses, but it does not offer sending a confirmation E-Mail to these subscribers - different from those who signed up using MailChimp's own forms.

Is there a way to make MailChimp send a confirmation E-Mail to those addresses after all? Short of entering them all into a form myself?

  • A similar thing happened to me and I just created a second mailing list of missing confirmations. Manually. Dec 24, 2014 at 3:44
  • 1
    You could use Mandrill, if you have access to the code/actually do the programming, which is mailchimp's web api. I've used it myself by just importing the list of emails from my database.
    – Wold
    Dec 24, 2014 at 22:53

3 Answers 3


MailChimp's support got back to me and had this to say:

Unfortunately there would not be a direct way for MailChimp to send out a confirmation email for you, however there is an alternative way to get those people to signup without entering them all one by one into your signup form.

By reconfirming your list, subscribers will be able to click a link to your signup form and sign themselves up and then opt in through our double opt in forms. Please keep in mind this process must be done outside of MailChimp using your normal email client. More information on how to do this can be found here:

How to Reconfirm a List: http://eepurl.com/ec01T


Please turn on the check box for Send a final welcome email that you can found from List Settings.This will enable you to send a welcome mail to the subscribers when they get added to the corresponding list.

please find more information here.

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    Thanks, but this doesn't seem to be what I'm looking for - what I need is for a list of new users to be sent the confirmation (opt-in) message. It is legally required in my country.
    – Pekka
    Jan 11, 2016 at 12:46
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    aha,my bad, Hope you can find a solution here. Jan 11, 2016 at 12:55
  • @Pekka웃 Did you solved your problem? Jan 20, 2016 at 7:15
  • I think no - the link you sent basically says what I already found out above, MailChimp doesn't allow sending opt-in E-Mails to arbitrary addresses. It requires that I manually invite the subscribers to resubscribe through the MailChimp process. There doesn't seem to be a better way unfortunately.
    – Pekka
    Jan 20, 2016 at 10:43

If the user has not been unsubscribed or deleted, then one can resend the confirmation email, but editting the user and setting the status to pending. Even if it was pending already, then above-written operation will mean that the user gets a new confirmation email.

This is not documented anywhere (only God knows why).

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