Mutual Internet
Practices Asssoc.

About Scope

Bounce Address Tag Validation (BATV)


Bounce Address Tag Validation (BATV) provides a mechanism for assessing the validity of an email's envelope return (bounce) address. It permits the original submitter of a message to sign the SMTP MailFrom address. This enables detection of invalid bounce addresses.



For background about BATV's technology, please see:

Introduction to BATV  »  html, ppt, pdf



We are maintaining a list of BATV Implementations and Uses.



The batv-tech discussion list is the open venue for pursuing enhancements to the BATV specification.

Latest Bounce Address Tag Validation (BATV) »  html, pdf, txt
Previous Bounce Address Tag Validation (BATV) »  html, txt

(revised: 14 March 2008)

Comments concerning this site should be sent to: