NameDescriptionTypeAdditional information
Id

globally unique identifier

None.

From

MailAddress

Required

Recipients

The To, Cc, and Bcc recipients.

Collection of Recipient

Required

Max length: 500

Subject

string

Max length: 255

Body

A convenient shortcut for providing a plaintext or Html formatted body. Use AlternateViews to specify both plaintext and Html or another content type. Note: At this time only HTML format is supported.

string

None.

IsBodyHtml

Specifies whether the Body property is plaintext or Html. Default: false.

boolean

None.

ReplyTo

MailAddress

None.

Headers

Specify any custom mail headers.

Dictionary of string [key] and string [value]

None.

AlternateViews

Note: This conforms to a future spec that hasn't been implemented yet. A collection of message bodies in specific formats. Note: Highest priority is last in the collection. Ex. To specify Html as a priority over a plaintext view you would order the array like so: [PlainText, HTML].

Collection of AlternateView

None.

Attachments

Collection of Attachment

Max length: 500

AllSecurityPolicy

Specifies the macro template used to set all of the recipient security policies at once. Used to persist options in the Delivery Trust Web Portal. If the email you are sending doesn't originate through a UI this property might not be applicable.

SecurityPolicy

None.

SentOn

date

None.

HasEsignPackage

boolean

None.