CC

The CC email address. You can separate multiple email addresses by comma (,).

BCC

The BCC email address. You can separate multiple email addresses by comma (,).

ReplyTo

The ReplyTo address to be set in the email.

Attachment

The attachment list. You can separate multiple attachment files by comma (,).

RegisteredDelivery

Demanding a registered delivery for the request. Value should be one of the SMTP notification value: -1 (Notify Never), 1 (Notify Success), 2 (Notify Failure), 4 (Notify Delay)

Priority

Assigns a priority level, in the range of to >=1 and <=5, to the message. The "X-Priority" value in the email is set accordingly so that email importance is honored by the SMTP servers. 1 indicates high priority and 5 as low. If none specified, set as 0 – no priority marking for the email.

ContentType

Email content type: text/plain or text/html.

Charset

The charset of the email.

DisplayName

Display name to be used for the email from address.