Sendmail, and a whole bunch of other mailers, have taken the more
liberal approach of allowing any RFC 822-compliant address in this
place (which is a *lot* more liberal than an RFC 821-compliant
reverse-path.) This is consistent with the "be liberal in what you
accept, conservative in what you send" philosophy of network
interoperability.
I suspect in Sendmail it naturally falls out of using a single set of
canonicalization rules for all syntax.
-hpa
-- <hpa@transmeta.com> at work, <hpa@zytor.com> in private! "Unix gives you enough rope to shoot yourself in the foot." Architectures needed: ia64 m68k mips64 ppc ppc64 s390 s390x sh v850 x86-64 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/