`Auto-Submitted` is defined in the rfc 5436 [1] and describes how
an automatic response (f.e. ooo replies, etc.) should behave on the
emails. When using `Auto-Submitted: auto-generated` (or any value
other than `none`) automatic replies won't be triggered.
[1]: https://www.rfc-editor.org/rfc/rfc3834.html
Signed-off-by: Gabriel Goller <g.goller@proxmox.com>
/// Sends multi-part mail with text and/or html to a list of recipients
///
+/// Includes the header `Auto-Submitted: auto-generated`, so that auto-replies
+/// (i.e. OOO replies) won't trigger.
/// ``sendmail`` is used for sending the mail.
pub fn sendmail(
mailto: &[&str],
body.push_str("This is a multi-part message in MIME format.\n");
let _ = write!(body, "\n--{}\n", boundary);
}
+ body.push_str("Auto-Submitted: auto-generated;\n");
if let Some(text) = text {
body.push_str("Content-Type: text/plain;\n");
body.push_str("\tcharset=\"UTF-8\"\n");