Extracted from usage (blat /?):
-r : request return receipt
-dsn <nsfd> : use Delivery Status Notifications (RFC 3461)
From: ***@yahoogroups.com [mailto:***@yahoogroups.com]
Sent: Monday, December 04, 2017 2:58 PM
Subject: [blat] received receipt and open information
Is there some way I can turn on read receipt and open notifications with Blat?