[Bug 685] New: Wrong resolving of SPF with big size A/MX RRs

View: New views
2 Messages — Rating Filter:   Alert me  

[Bug 685] New: Wrong resolving of SPF with big size A/MX RRs

by Bugzilla from postmaster@edimeta.ru :: Rate this Message:

Reply to Author | View Threaded | Show Only this Message

------- You are receiving this mail because: -------
You are on the CC list for the bug.

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.


--
Configure bugmail: http://bugs.exim.org/userprefs.cgi?tab=email

--
## List details at http://lists.exim.org/mailman/listinfo/exim-dev Exim details at http://www.exim.org/ ##

[Bug 685] Wrong resolving of SPF with big size A/MX RRs

by Bugzilla from nigel@exim.org :: Rate this Message:

Reply to Author | View Threaded | Show Only this Message

------- You are receiving this mail because: -------
You are on the CC list for the bug.

http://bugs.exim.org/show_bug.cgi?id=685




--- Comment #1 from Nigel Metheringham <nigel@...>  2009-10-19 12:30:07 ---
If the problem is as described then the problem is in the SPF library.
Do we have any confirmation of this?


--
Configure bugmail: http://bugs.exim.org/userprefs.cgi?tab=email

--
## List details at http://lists.exim.org/mailman/listinfo/exim-dev Exim details at http://www.exim.org/ ##