Mailing List Archive

Should exceeding mx or ptr limit result in permerror, or simply
not match? The RFC just says you MUST not use more than 10. (10.1/7)
However, the preceding paragraph mandates PermError for other limits.
Also, there is no way to predict *which* 10 you will get first.
So the only consistent result is to PermError if there are more than 10.

Comments?

tests:
mx-limit-fail:
description: >-
there MUST be a limit of no more than 10 MX looked up and checked.
spec: 10.1/7
helo: mail.example.com
host: 1.2.3.5
mailfrom: foo@e4.example.com
result: permerror
mx-limit-pass:
description: >-
there MUST be a limit of no more than 10 MX looked up and checked.
spec: 10.1/7
helo: mail.example.com
host: 1.2.3.4
mailfrom: foo@e4.example.com
result: permerror
zonedata:
mail.example.com:
- A: 1.2.3.4
e4.example.com:
- SPF: v=spf1 mx
- MX: [0, mail.example.com]
- MX: [1, mail.example.com]
- MX: [2, mail.example.com]
- MX: [3, mail.example.com]
- MX: [4, mail.example.com]
- MX: [5, mail.example.com]
- MX: [6, mail.example.com]
- MX: [7, mail.example.com]
- MX: [8, mail.example.com]
- MX: [9, mail.example.com]
- MX: [10, e4.example.com]
- A: 1.2.3.5

--
Stuart D. Gathman <stuart@bmsi.com>
Business Management Systems Inc. Phone: 703 591-0911 Fax: 703 591-6154
"Confutatis maledictis, flammis acribus addictis" - background song for
a Microsoft sponsored "Where do you want to go from here?" commercial.

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