MailChimp Integration: Subscribers who unsubscribe cannot re-subscribe

[raamdev]

Note: This bug report is for a feature that is coming soon, i.e., has not yet been released as of this writing.

Note: It is suspected that upgrading to v3 of the MailChimp API may allow this issue to be resolved; see also #311.

Steps to Reproduce

• Setup MailChimp integration and Lists
• Enable Auto-Confirm in dropdown , Yes, automatically auto-confirm everyone; i.e., never ask for email confirmation
• Test and comment to auto-subscribe and receive the auto-confirmation email.

Unsubscribed Users cannot re-subscribe:

• Click unsubscribe from the auto-confirmation email
• Test and comment again with Auto-Confirm still enabled
• Comment appears right away with no error prompt
• No confirmation email is sent for "re-subscription" and MailChimp list will no longer add user/re-subscribe user who previously unsubscribed to the same list integrated with Comment Mail
• No admin confirmation email is sent that a user has tried to subscribe and/or checked the subscription box. MailChimp Dashboard will no longer allow admin to add user/re-subscribe user who previously unsubscribed to the same List that was integrated with Comment Mail

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@jaswsinc writes...

I have been unable to find a way around this problem given limitations in v2 of the MailChimp API that I have been working with. Once a user unsubscribes, the MailChimp API refuses to add them again no matter what settings I use in the API call.

See also MailChimp API Upgrade Issue #311.