Sample code for 30+ languages & platforms
AutoIt

Set the X-Mailer Header of an Email

See more Email Object Examples

Demonstrates the Chilkat Email.Mailer property, which identifies the email software that sent the email. It corresponds to the MIME X-Mailer header. This example sets the mailer string and shows it in the generated MIME.

Background: X-Mailer is an optional, informational header — the X- prefix marks it as non-standard — that names the program used to compose or send the message. Mail servers do not require it and it has no effect on delivery; it is mainly useful for diagnostics and analytics. Because it is self-reported, it is trivially spoofable and should never be relied on for security decisions.

Chilkat AutoIt Downloads

AutoIt
;  Demonstrates the Email.Mailer property, which identifies the email software
;  that sent the email.  This corresponds to the MIME X-Mailer header.

$oEmail = ObjCreate("Chilkat.Email")

$oEmail.Mailer = "My Custom Mailer 1.0"

ConsoleWrite("Mailer = " & $oEmail.Mailer & @CRLF)

;  The X-Mailer header appears in the generated MIME.
ConsoleWrite($oEmail.GetMime() & @CRLF)