Contact import and ability to email

I am importing contacts from a previous email data base where I had permission to email them.
They filled out a webform looking for info. How do I insure I can email them in infusionsoft? I don’t want to make any mistakes and I need to make sure I can email these contacts

You can import and email but the caveat is that IS will throttle the list on it’s first run. The will send out the list in groups, wait to see what the spam response is and then another group and so on. If the spam response is lower than their anticipated standard of 1% then the list will have been verified. So planning for this in terms of timing for your first email to that list is key. There after it will be business as usual.