When you Invite More and add a contact that was already sent an invitation from the collector, we automatically remove them from your contact list before sending your new message. You can send one invitation email per email address per collector, by default. If you see an error about invalid emails or that “something went wrong” when you try to send or schedule a message, it means you may have: There is a limit to how many people you can send to, as well as how many messages you can send in one day: Sending, Import & Character Limits You can type in or copy and paste a list of email addresses directly in the Send To field. To add or remove contacts, you can manage your contact group. You can either update contact information associated with the email address with the info in your current import, or ignore import information so the info you already have for that contact stays as is.
Name the group (the email addresses will be stored in your Contacts).Choose an import method (described in more detail below).Click the Add Contacts button in the upper-right corner of the message.