Duplicate emails (STILL OCCURING) - same smtp id processed by
different MS processes.
Giulio Cervera
giulio.cervera at EDSPA.IT
Tue Dec 21 10:53:23 GMT 2004
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With RHEL ES 3 Update 3, sendmail-8.12.11-4.RHEL3.1, MailScanner 4.36.4-1
and posix Lock Type i get the same problem
from yesterday **i'm trying this patch and the problem sames to be fixed ...
Julian Field ha scritto:
> Please try the attached patch to SMDiskStore.pm and let me know if it
> helps.
>
> Quentin Campbell wrote:
>
>> Julian
>>
>> I am _still_ seeing some duplicate processing by MailScanner when I set
>> "Lock Type = posix" although not as many as when I let "Lock Type"
>> default.
>>
>> The setup is:
>>
>> Red Hat Enterprise Linux AS release 3 (Taroon Update 1)
>> - its own Sendmail 8.12.10
>> - have not applied most recent kernel updates
>>
>> MailScanner-4.35.11-1
>> - with a more recent Message.pm
>>
>> MailScanner.conf
>> - Lock Type = posix
>>
>>
>> Quentin
>> ---
>> PHONE: +44 191 222 8209 Information Systems and Services (ISS),
>> University of Newcastle,
>> Newcastle upon Tyne,
>> FAX: +44 191 222 8765 United Kingdom, NE1 7RU.
>> ------------------------------------------------------------------------
>> "Any opinion expressed above is mine. The University can get its own."
>>
>>
>>
>>> -----Original Message-----
>>> From: MailScanner mailing list
>>> [mailto:MAILSCANNER at JISCMAIL.AC.UK] On Behalf Of Quentin Campbell
>>> Sent: 13 December 2004 09:58
>>> To: MAILSCANNER at JISCMAIL.AC.UK
>>> Subject: Re: Duplicate emails - same smtp id processed by
>>> different MS processes.
>>>
>>> The situation appears even more confused.
>>>
>>> I also have to specify "Lock Type = posix" to stop the duplication on
>>> our Red Hat Enterprise Linux AS release 3 (Taroon Update 1) but it is
>>> running with its own Sendmail 8.12.10.
>>>
>>> Quentin
>>> ---
>>> PHONE: +44 191 222 8209 Information Systems and Services (ISS),
>>> University of Newcastle,
>>> Newcastle upon Tyne,
>>> FAX: +44 191 222 8765 United Kingdom, NE1 7RU.
>>> ---------------------------------------------------------------
>>> ---------
>>> "Any opinion expressed above is mine. The University can get
>>> its own."
>>>
>>>
>>>
>>>> -----Original Message-----
>>>> From: MailScanner mailing list
>>>> [mailto:MAILSCANNER at JISCMAIL.AC.UK] On Behalf Of Alan Dobkin
>>>> Sent: 09 December 2004 16:50
>>>> To: MAILSCANNER at JISCMAIL.AC.UK
>>>> Subject: Re: Duplicate emails - same smtp id processed by
>>>> different MS processes.
>>>>
>>>> On 12/7/2004 12:34 PM, Julian Field wrote:
>>>>
>>>>
>>>>> With sendmail-8.13 on Linux systems, you need to set
>>>>> "Lock Type = posix" in MailScanner.conf.
>>>>>
>>>>>
>>>> FWIW, I upgraded my server from Fedora Core 2 to Fedora Core 3
>>>> and around the same time upgraded MailScanner to version 4.36.1-1.
>>>> Fedora Core 3 included sendmail 8.13 (previously 8.12 in Core 2),
>>>> and I didn't realize that the locking method had changed. Around
>>>> the same time, the MailScanner.conf file, which used to default
>>>> to "Lock Type = flock" was changed to just "Lock Type = " (blank),
>>>> so I suspected MailScanner may be causing the problem, but making
>>>> the change to "Lock Type = posix" seems to do the trick.
>>>>
>>>> In retrospect, I now see that the sendmail release notes warned
>>>> about this change over 2 years ago, back in release 8.12.5:
>>>>
>>>> 8.12.5/8.12.5 2002/06/25
>>>> NOTE: Linux appears to have broken flock() again. Unless
>>>> the bug is fixed before sendmail 8.13 is shipped,
>>>> 8.13 will change the default locking method to
>>>> fcntl() for Linux kernel 2.4 and later. You may
>>>> want to do this in 8.12 by compiling with
>>>> -DHASFLOCK=0. Be sure to update other sendmail
>>>> related programs to match locking techniques.
>>>>
>>>> So, this begs the question, why not set "Lock Type = fcntl" instead
>>>> of posix in MailScanner? Does it not understand this method?
>>>>
>>>> Thanks,
>>>> Alan
>>>>
>>>> --
>>>> Reclaim Your Inbox - Get Thunderbird!
>>>> http://www.Mozilla.org/products/thunderbird/
>>>>
>>>> Rediscover the Web - Get Firefox!
>>>> http://www.SpreadFirefox.com/?q=affiliates&id=21548&t=68
>>>>
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>>
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>>
>
> --
> Julian Field
> www.MailScanner.info
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--
*Giulio Cervera*
EDS PA SpA
Via Atanasio Soldati 80
00155 Roma (Italy)
tel: +39 06 22739 270
fax: +39 06 22739 233
e-mail: giulio.cervera at edspa.it <mailto:giulio.cervera at edspa.it>
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