Ken Hornstein wrote:
...
I just double-checked RFC 5322, and as far as I know this is valid.
Specifically, "To:" is defined as having an address-list:
address-list = (address *("," address)) / obs-addr-list
And the other relevant bits are:
address = mailbox / group
group = display-name ":" [group-list] ";" [CFWS]
back when i sysadmin'd for sendmail, i wrote my own configs, because the
M4 stuff made no sense to me. and i broke the "group" parsing every
time. and i was never able to figure out how to support it.
i'm guessing that i wasn't the only one, and that sendmail wasn't the
only one, and that a fair number of MUA and MTA implementations only
handle the e-mail formats that those authors had seen in their inboxes,
and no attention was paid to the RFC's.
--
P Vixie
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