RCPT TO: <"po\S\tMaStE\R">
RCPT TO: <"\pOSTmasT\eR"@example.com>
Are those valid and considered to be the Postmaster recipient?
RCPT TO: <"po\S\tMaStE\R">
RCPT TO: <"\pOSTmasT\eR"@example.com>
Are those valid and considered to be the Postmaster recipient?