We use a form on our web pages that allows people to request a subscription to our list. You can get the code from the Promote page under the Admin features. I don't think it has any specific security features built in, but we haven't seen any attempts to join programmatically. The code displays a window where people can enter their email address and a button they need to press to request to join the list. Of course, they then have to be approved by a moderator. We had a similar device for our Yahoo list before we moved to Groups.io. We never had any problems with that either.
Jonathan
On 1/17/2019 2:35 PM, Frank Greco wrote:
Hi Jonathan,
Before our group instituted a Captcha V2 on our WP website, we got hundreds of email addresses per week in our database that were obviously programmatically generated.
It was a major headache for us to regularly purge our DB.? Just wanted to know if Groups had any anti-spammer procedures to offset that.
An auto-purge after N days would be fairly easy to implement I would guess.
Frank
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