You can use the Mail object to access information about the mail currently being processed. This can either be an outgoing message that is being rendered or an incoming message.
Mail.collection|property|method
| Headers | Contains the list of header fields |
| Receivers | Contains the list of receivers that will receive the mail |
| Tos | Contains the list of receivers that are displayed in the To: field |
| CCs | Contains the list of receivers that are displayed in the CC: field |
| Contents | Contains the list of content items (body and attachments). |
| DSNHeaders | Contains the list of DSN headers |
| DSNReceivers | Contains the list of DSN receivers |
| Fields | Contains the list of body fields |
| CodePage | Sets the default CodePage for all contents in the current mail. The codepage tells eMill how to encode characters for different languages. |
| LCID | Sets the default LCID for all contents in the current mail. The LCID refers to how dates, times, and currency are formatted for a specific geographical locale. |
| Sender | Sets the SMTP sender. By default the sender will be initialized using the From: field. |
| From | Sets the From: field. |
| Subject | Sets or gets the message subject. |
| Date | Sets or gets the message date. |
| SendDate | Sets or gets the message send date. |
| Priority | Sets or gets the message priority. |
| DSNEnvID | Sets the DSN ENVID parameter. |
| DSNReturn | Sets the DSN RET parameter. |
| DSNNotify | Sets the DSN NOTIFY parameter. |
| DSNType | Gets the DSN type. |
| Data | Sets or gets the MIME content. |
Additional header fields can be set using the Headers collection
| AbortRender | Aborts rendering for the current receiver. |
| Save | Saves the mail to the disk (.eml file). |
| Mail_OnEndRender | This event is invoked when the mail has been rendered. |
| Mail_OnStartRender | This event is invoked when the mail is about to be rendered. |
When rendering a mailing, all receivers associated with the current DataSource record will be added to the Receivers collection. Attachments will also be added to the Contents collection. The Mail_OnStartRender event is a good place to perform any receiver specific initialization such as adding user specific mail attachment or changing some header fields.