| Attribute | Description | Required |
|---|
| from | Email address of sender. | True |
| tolist | Comma- or semicolon-separated list of recipient email addresses. | True |
| cclist | Comma- or semicolon-separated list of CC: recipient email addresses. | False |
| bcclist | Comma- or semicolon-separated list of BCC: recipient email addresses. | False |
| mailhost | Host name of mail server. Defaults to "localhost." | False |
| message | Text to send in body of email message. | False |
| subject | Text to send in subject line of email message. | False |
| format | Format of the message body. Valid values are "Html" or "Text." Defaults to "Text." | False |
| files | Name(s) of text files to send as part of body of the email message. Multiple filenames are comma- or semicolon-separated. | False |
| attachments | Name(s) of files to send as attachments to email message. Multiple filenames are comma- or semicolon-separated. | False |
| failonerror | Determines whether task failure stops the build or is just reported. Default is "true." | False |
| verbose | Task reports detailed build log messages. Default is "false." | False |
| if | If true then the task will be executed; otherwise skipped. Default is "true." | False |
| unless | Opposite of if. If false then the task will be executed; otherwise skipped. Default is "false." | False |