PHPMailer AddAddress() I don't know how the data should be formatted for AddAddress PHPMailer function; I need the email to be sent to multiple recipients so I tried $to = "me@domain.com,you@domain.net,she@domain.it"; $obj->AddAddress($to); but with no success. Any help will be appreciated. Solution: You need to call the AddAddress function once for each E-Mail address you want to send to. There are only two arguments for this function: recipient_email_address and recipient_name. The recipient name is optional and will not be used if not present. $mailer->AddAddress('recipient1@domain.com', 'First Name'); $mailer->AddAddress('recipient2@domain.com', 'Second