-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 In message <7d8f6d49-b974-4392-a7ad-eb23e6d99...@wizmail.org>, Jeremy Harris <j...@wizmail.org> writes
>On 3/17/25 12:34 AM, Richard Clayton wrote: >>> PPS: I'm don't understand why this requires the rt= to be limited >>> to just one address. >> simplicity ... at the point at which an email is being signed it is not >> possible to know how many recipients the receiving MTA will accept after >> each MAIL FROM > >Absent the LIMITS extension to ESMTP.... you will see that value once the connection to the MTA is open ... which may well be long after the email was signed ALSO: at $DAYJOB$ there is a quota system ... so even at the point at which the connection is opened the receiving MTA will not know how many RCPT TO commands will be accepted, because the quota may get used up by other parallel connections ... (if it didn't work that way, you may be able to see what the spammers would do to work around the quota limits) - -- richard Richard Clayton Those who would give up essential Liberty, to purchase a little temporary Safety, deserve neither Liberty nor Safety. Benjamin Franklin 11 Nov 1755 -----BEGIN PGP SIGNATURE----- Version: PGPsdk version 1.7.1 iQA/AwUBZ9f+uWHfC/FfW545EQL1dgCfem7AkuAsGmDovMm9V/pHCG2h7ZIAoL9D fNp+OIgweyEgQraacnEIOdrv =Q9Pl -----END PGP SIGNATURE----- _______________________________________________ Ietf-dkim mailing list -- ietf-dkim@ietf.org To unsubscribe send an email to ietf-dkim-le...@ietf.org