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Unclear text in the last paragraph of Section 2.3.5 #98

Open aamelnikov opened 1 month ago

aamelnikov commented 1 month ago

Donald Eastlake d3e3e3@gmail.com wrote:

The first sentence of this paragraph is of questionable grammar and, in any case, extremely hard to parse.

When domain names are used in SMTP, and unless further restricted in this document, names that can be resolved to MX RRs or address (i.e., A or AAAA) RRs (as discussed in Section 5) are permitted, as are CNAME RRs whose targets can be resolved, in turn, to MX or address RRs.

Assuming I have parsed it correctly, how about:

Unless further restricted in this document, domain names used in SMTP are names that can be resolved to MX or address (A or AAAA) RRs (see also Section 5), or to CNAME RRs that can be resolved to an MX or address RR.

aamelnikov commented 2 weeks ago

Agreement during IETF 121 that this change should be made.

klensin commented 12 hours ago

This change was implemented in draft-ietf-emailcore-rfc5321bis-34, posted 2024-11-07.