chkvzu , 03/07/2021. After a user finishes sending their postcard invitations, Nextdoor shuttles them to the email invitation page and poses the motivating question Who else needs an invitation?. Because every neighbour must confirm their address to become a member, you will only receive invitation . Nextdoor is a great way to warn your neighbors about anything from suspicious activities and theft to missing animals and other neighborhood happenings. 10. Security info is an alternate contact email address or phone number that you add to your account. The action you just performed triggered the security solution. Click on the link below to download Nextdoor for your device:\r\n