| ToAdd(MailAddressCollection) | Email recipients, from a MailAddress collection. |
| ToAdd(Object) | Email recipient, for multiple accounts separate them with ';'. |
| ToAdd(String) | Email recipient, for multiple accounts separate them with ';'. |
| ToAdd(Object, Object) | Email recipient, for multiple accounts separate them with ';'. |
| ToAdd(String, String) | Email recipient, for multiple accounts separate them with ';'. |