A group mail is often used to send thank-you mails or some kind of other global message to your contacts in their own language.
Help Center
Correct bounced contacts and resend the email invitation
An email that cannot be delivered ‘bounces’ back to the sender. You can easily correct bounced contacts and send a new email invitation to them.
What to choose? Survey via Email or via Web (or combined)?
If you are unsure whether to distribute your survey via email or via web, we have some things to take into account to assist you in your decision.
Multiple submissions by the same respondent
Depending on your distribution channel your respondents may be able to fill out your survey more than once. This article provides an overview.
Use multiple custom domains
You have multiple custom domains active for your account. When sending email invitations via CheckMarket, you want to use a differnt domain