[exim-dev] [Bug 685] New: Wrong resolving of SPF with big si…

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Author: Dmitry
Date:  
To: exim-dev
New-Topics: [exim-dev] [Bug 685] Wrong resolving of SPF with big size A/MX RRs, [exim-dev] [Bug 685] Wrong resolving of SPF with big size A/MX RRs
Subject: [exim-dev] [Bug 685] New: Wrong resolving of SPF with big size A/MX RRs
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http://bugs.exim.org/show_bug.cgi?id=685
           Summary: Wrong resolving of SPF with big size A/MX RRs
           Product: Exim
           Version: 4.69
          Platform: Other
        OS/Version: Linux
            Status: NEW
          Severity: bug
          Priority: medium
         Component: Experimental
        AssignedTo: nigel@???
        ReportedBy: postmaster@???
                CC: exim-dev@???



Example:

host = 81.177.141.153 (mail015.odnoklassniki.ru)
MAIL FROM = noreply@???

Result for this host/mail from, calculated by Exim's SPF is SOFTFAIL, but:

SPF record = v=spf1 a mx ~all

A-Records -> no match

> set type=a
> odnoklassniki.ru


Non-authoritative answer:
Name: odnoklassniki.ru
Address: 81.177.141.135
Name: odnoklassniki.ru
Address: 81.177.141.137
Name: odnoklassniki.ru
Address: 81.177.141.207
Name: odnoklassniki.ru
Address: 81.177.141.209

MX-Records -> matches 81.177.141.153 (mail015.odnoklassniki.ru) -> SPF result
must be PASS.

> set type=mx
> odnoklassniki.ru

;; Truncated, retrying in TCP mode.

Non-authoritative answer:
odnoklassniki.ru        mail exchanger = 40 mail020.odnoklassniki.ru.
odnoklassniki.ru        mail exchanger = 5 mail.odnoklassniki.ru.
odnoklassniki.ru        mail exchanger = 10 post.odnoklassniki.ru.
odnoklassniki.ru        mail exchanger = 15 email.odnoklassniki.ru.
odnoklassniki.ru        mail exchanger = 40 mail001.odnoklassniki.ru.
odnoklassniki.ru        mail exchanger = 40 mail002.odnoklassniki.ru.
odnoklassniki.ru        mail exchanger = 40 mail003.odnoklassniki.ru.
odnoklassniki.ru        mail exchanger = 40 mail004.odnoklassniki.ru.
odnoklassniki.ru        mail exchanger = 40 mail005.odnoklassniki.ru.
odnoklassniki.ru        mail exchanger = 40 mail006.odnoklassniki.ru.
odnoklassniki.ru        mail exchanger = 40 mail007.odnoklassniki.ru.
odnoklassniki.ru        mail exchanger = 40 mail008.odnoklassniki.ru.
odnoklassniki.ru        mail exchanger = 40 mail009.odnoklassniki.ru.
odnoklassniki.ru        mail exchanger = 40 mail010.odnoklassniki.ru.
odnoklassniki.ru        mail exchanger = 40 mail011.odnoklassniki.ru.
odnoklassniki.ru        mail exchanger = 40 mail012.odnoklassniki.ru.
odnoklassniki.ru        mail exchanger = 40 mail013.odnoklassniki.ru.
odnoklassniki.ru        mail exchanger = 40 mail014.odnoklassniki.ru.
odnoklassniki.ru        mail exchanger = 40 mail015.odnoklassniki.ru.
odnoklassniki.ru        mail exchanger = 40 mail016.odnoklassniki.ru.
odnoklassniki.ru        mail exchanger = 40 mail017.odnoklassniki.ru.
odnoklassniki.ru        mail exchanger = 40 mail018.odnoklassniki.ru.
odnoklassniki.ru        mail exchanger = 40 mail019.odnoklassniki.ru.


Authoritative answers can be found from:
odnoklassniki.ru        nameserver = ns.videogaga.ru.
odnoklassniki.ru        nameserver = ns.odnoklassniki.ru.
odnoklassniki.ru        nameserver = ns1.odnoklassniki.ru.
mail.odnoklassniki.ru   internet address = 217.106.230.190
post.odnoklassniki.ru   internet address = 81.176.227.157
email.odnoklassniki.ru  internet address = 81.176.227.141
mail001.odnoklassniki.ru        internet address = 81.177.141.170
mail002.odnoklassniki.ru        internet address = 81.177.141.172
mail003.odnoklassniki.ru        internet address = 81.177.141.174
mail004.odnoklassniki.ru        internet address = 81.177.141.108
mail005.odnoklassniki.ru        internet address = 81.177.141.110
mail006.odnoklassniki.ru        internet address = 81.177.141.112
mail007.odnoklassniki.ru        internet address = 81.177.141.230
mail008.odnoklassniki.ru        internet address = 81.177.141.232
mail009.odnoklassniki.ru        internet address = 81.177.141.234
mail010.odnoklassniki.ru        internet address = 81.177.141.236
mail011.odnoklassniki.ru        internet address = 81.177.141.95
mail012.odnoklassniki.ru        internet address = 81.177.141.97
mail013.odnoklassniki.ru        internet address = 81.177.141.101
mail014.odnoklassniki.ru        internet address = 81.177.141.103
mail015.odnoklassniki.ru        internet address = 81.177.141.153
mail016.odnoklassniki.ru        internet address = 81.177.141.155
mail017.odnoklassniki.ru        internet address = 81.177.141.157
mail018.odnoklassniki.ru        internet address = 81.177.141.213
mail019.odnoklassniki.ru        internet address = 81.177.141.215
mail020.odnoklassniki.ru        internet address = 81.177.141.217


Probably switching to TCP mode for big size RR's not occured in SPF library,
result wrong.


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