Verify new contacts' email before mailing

A new contact's email is verified, and only valid addresses are added to the mailing.

• A new person in Affinity is the trigger
• The email is verified via hunter
• Only valid addresses go to Mautic
• No verifying addresses by hand

AffinityPipedriveAffinityAutopilotCopperHubSpotKeapMauticSalesforceStripeMauticSendGridAWS SESBrevoDevinoEnkodGmailKeapMailjetMandrillMauticMicrosoft OutlookRuSenderSend EmailSendPulseSMSC.ruHunter