When I run the ASSP block report mail item through tge following validator, I receive errors I have included the original mail item as an attachment https://tools.ietf.org/tools/msglint/ MIME Lint v1.04 2011-02-25 is a strict syntax validator for Internet messages including MIME, RFC 822, DSN (RFC 1891) and MDN (RFC 2298) elements which has be run on the attached message. The result follows: WARNING: line too long in header 'Received:' at line 1 WARNING: short-form domain 'with' unwise in header...
Generated BlockReports are showing a blank body for some Web mail clients