ReadonlyattachmentsAttachments to include in the generated message body.
ReadonlylinkedLinked resources referenced by the HTML body.
The plain text body.
The HTML body.
Gets or sets the charset used for generated text parts.
Builds the MIME entity tree.
The MIME entity representing the complete message body.
Builds a MIME body tree from text bodies, linked resources, and attachments.
The generated structure follows the usual multipart nesting rules for plain text, HTML, related resources, and attachments.