Hang on a second: On 20.04.2025 09:49, Dave Crocker wrote:
It is important to /retain/ the BCC field, for display to the recipient, since it is the only way the recipient can tell why they got the message. (and probably that they should not do a reply all.)
What system actually does this? Following the first method in Section 3.6.3 of RFC 5322 and a practice that goes as far back as RFC 822, Neither Sendmail nor GMail, for instance, retain the BCC field in the message. Is this a matter of tracing how a message got exploded (say, when a mailing list was Bcc'd)?
Eliot
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