-Wayne
-----Original Message-----
From: Ronnie D. Franklin <ronnie@itexas.net>
To: ntisp@iea-software.com <ntisp@iea-software.com>
Date: Monday, August 02, 1999 3:39 PM
Subject: RE: [NTISP] PostOffice 3.5.3 & Outlook again!
>Software.Com has had a patch for this problem for about a year... you have
>to pressure them to get the patch... basically what the patch does is it
>modifies the Email by replacing the single dot with a space.. yes, it could
>cause a problem with an attachment, but the percentage is extremely low....
>
>
>
>> -----Original Message-----
>> From: ntisp-request@iea-software.com
>> [mailto:ntisp-request@iea-software.com]On Behalf Of WayneG
>> Sent: Monday, August 02, 1999 3:04 PM
>> To: ntisp@iea-software.com
>> Subject: Re: [NTISP] PostOffice 3.5.3 & Outlook again!
>>
>>
>> Following are some notes about the "Outlook Express/Post.Office stuck
>> mail bug." These were submitted to BUGTRAQ in May, 1999 by Miquel
>> van Smoorenburg, miquels@CISTRON.NL. I have found, prior to Mike's
>> submission to BUGTRAQ, that every stuck mail message had a single
>> dot on a line by itself. I've found these messages are often
>> formatted in
>> a text format that has been wrapped inserting a =20 at the end of each
>> wrapped line.
>>
>> Miquel van Smoorenburg <miquels@CISTRON.NL> wrote:
>>
>> There is a bug in Outlook Express delivered with Windows '98, at least
>> version 4.72.3110.1 (4.01 SP1) and 4.72.3120.0 (4.01 SP1 + oepatsp1)
>>
>> Windows '95 updated with MSIE 4.01 has Outlook Express 4.72.3612.1700,
>> which doesn't show the problem. OE from MSIE3 and MSIE5 don't have the
>> problem either. There might be versions of MSIE4 included with Windows
>> '98 that don't show the problem either, but I don't have a stack of
>> Windows CDs to test against.
>>
>> We have talked to Microsoft NL about this, tracking number S2134 T6142.
>> However they either deny there is a bug ("sorry sir, this product has
>> been available for a year now so there cannot be any bugs in it") or
>> they do not understand what we are talking about. They also claim to
>> have not received any mail we sent to them, so I am giving up on that.
>> We did send them this bug report by fax, perhaps that technology is
>> stable enough to work for them, I don't know.
>>
>> Description of the problem:
>>
>> A dot on a single line means EOM in the POP3 protocol. If a message
>> contains that it must be escaped by adding an extra dot, so we have 2
>> dots on a single line - which is OK. However if on the TCP level the
>> line after this double-dot crosses over to the next packet, Outlook
>> Express will interpret the double-dot as a single dot, switching back to
>> POP3 command mode and interpreting the rest of the message as a response
>> from the POP3 server. Result is an error message and usually a hanging
>> POP3 session.
>>
>> Perhaps it's not really a bug in Outlook, but the Windows I/O library
>> or the TCP implementation.. which is scary.
>>
>> So at the TCP packet level it looks like this:
>>
>> packet1: [message data]
>> packet1: \r\n..\r\nthis is a line that
>> packet2: continues in the next packet
>>
>> The double-dot on the 2nd line will be interpreted as a single dot.
>>
>> It occurred to me that it might not be clear from the original message
>> but because the POP3 session is hanging, the message will not be removed
>> from the server and the next time mail is check the same thing will
>> occur. This is an effective DOS attack against the mailbox.
>>
>> The only way to solve this is to remove the message with another
>> POP3 email program (Eudora, Pegasus) or to ask the sysadmin of the POP3
>> server to remove the message manually (look for a message that has a line
>> starting with a dot).
>>
>> Upgrading to MSIE 5.0 will also solve the problem, but there is no
>> simple/small bugfix from Microsoft available (an MSIE 5.0 download is
>> what - 20 MB at least?) yet for as far as I know.
>>
>> So, ISP helpdesks - take note. This is at least one of the causes of
>> the problems all these people have been having with their "blocked mail".
>>
>> Mike.
>>
>>
>> -----Original Message-----
>> From: Patrick Patterson <pj@ctt-inc.com>
>> To: ntisp@iea-software.com <ntisp@iea-software.com>
>> Date: Monday, July 26, 1999 9:30 AM
>> Subject: RE: [NTISP] PostOffice 3.5.3 & Outlook again!
>>
>>
>> >Well, I have to concur that this is a problem. I also run
>> Post.Office, and
>> >I have seen this problem a number of times. It typically occurs with
>> >Outlook Express users, although a few Outlook users and actually one
>> >Netscape user as well. Deletinging the offending message from
>> the mailbox
>> >directly always fixes the problem, but I have not been able to find a
>> >consistant trigger for the problem. While it does seem to occur
>> more often
>> >with larger files, it is not every large file. The only thing I have
>> >noticed is that in every case the message was SPAM, but that could simply
>> >be a coincidence.
>> >
>> >I hope PostOffice gets moving on this - I was already unhappy with the
>> >pricing changes in the last few versions. It is a nice product, but the
>> >company behind it seems to be degrading...
>> >
>> >
>> >
>> >
>> >
>> >At 09:41 PM 7/25/99 -0400, you wrote:
>> >>I just wonder why we haven't seen it. I also support
>> post.office at about a
>> >>half dozen other pops and businesses and have never run across
>> the problem
>> >>myself so it's not persistent among ALL post.office installations... God
>> >>knows we have lots of outlook users... and a lot of our users
>> are engineers
>> >>and architects who absolutely insist on clogging their pipes with large
>> >>drawing files sent as attachments in outlook.
>> >>
>> >>Not doubting what you say, just trying to help out. I don't
>> have a dog in
>> >>this hunt... I support lots of other packages and they all have their,
>> >>ahem... "features".
>> >>
>> >> )
>> >>
>> >>
>> >>Good luck
>> >>
>> >>> -----Original Message-----
>> >>> From: ntisp-request@iea-software.com
>> >>> [mailto:ntisp-request@iea-software.com]On Behalf Of Geoff
>> >>> Sent: Sunday, July 25, 1999 9:49 PM
>> >>> To: ntisp@iea-software.com
>> >>> Subject: Re: [NTISP] PostOffice 3.5.3 & Outlook again!
>> >>>
>> >>>
>> >>> This problem is persistent with Post.Office and we contacted
>> them with an
>> >>> Email petition. The President responded that he would have his
>> >>> tech support
>> >>> work on this problem till resolved. Well, that was three
>> months ago and
>> >>> they still have not fixed the problem.
>> >>>
>> >>>
>> >>>
>> >>> ----- Original Message -----
>> >>> From: rkm <rkm@marshall.net>
>> >>> To: <ntisp@iea-software.com>
>> >>> Sent: Sunday, July 25, 1999 6:26 PM
>> >>> Subject: RE: [NTISP] PostOffice 3.5.3 & Outlook again!
>> >>>
>> >>>
>> >>> > We use ASCEND MAX's here.. could it be your terminal servers?
>> >>> >
>> >>> > > -----Original Message-----
>> >>> > > From: ntisp-request@iea-software.com
>> >>> > > [mailto:ntisp-request@iea-software.com]On Behalf Of Dan Waldron
>> >>> > > Sent: Sunday, July 25, 1999 9:26 PM
>> >>> > > To: ntisp@iea-software.com
>> >>> > > Subject: Re: [NTISP] PostOffice 3.5.3 & Outlook again!
>> >>> > >
>> >>> > >
>> >>> > > The only thing between our Max terminal server and our mail
>> >>> server is a
>> >>> > > 100Mbps ethernet cable. We get the same problem at both of our
>> >>> > > POPs, however
>> >>> > > after saying that, we don't seem to suffer the problem with local
>> >>> network
>> >>> > > e-mails so I don't think the server is overloaded at all, and the
>> >>> terminal
>> >>> > > servers are way under utilised. It seems to happen far too often
>> >>> > > and there's
>> >>> > > no correlation between peak and off peak period either.
>> >>> > >
>> >>> > > Outlook 5 seemed to help, but it's still a definite problem.
>> >>> > >
>> >>> > > Regards
>> >>> > > Dan
>> >>> > >
>> >>> > > ==========================
>> >>> > > Dan Waldron
>> >>> > > Internetworx Pty Ltd
>> >>> > > dan@internetworx.com.au
>> >>> > > http://www.internetworx.com.au
>> >>> > > Ph: 1300-300-005
>> >>> > > Fax: 1300-302-270
>> >>> > >
>> >>> > >
>> >>> > > ----- Original Message -----
>> >>> > > From: rkm <rkm@marshall.net>
>> >>> > > To: <ntisp@iea-software.com>
>> >>> > > Sent: Monday, July 26, 1999 10:28 AM
>> >>> > > Subject: RE: [NTISP] PostOffice 3.5.3 & Outlook again!
>> >>> > >
>> >>> > >
>> >>> > > > We run post.office at three locations and we have no problems
>> >>> > > with outlook
>> >>> > > > and large attachments.
>> >>> > > >
>> >>> > > > My guess is you have a system latency somewhere that is causing
>> >>> > > a timeout?
>> >>> > > >
>> >>> > > > > -----Original Message-----
>> >>> > > > > From: ntisp-request@iea-software.com
>> >>> > > > > [mailto:ntisp-request@iea-software.com]On Behalf Of
>> Dan Waldron
>> >>> > > > > Sent: Sunday, July 25, 1999 8:57 PM
>> >>> > > > > To: ntisp@iea-software.com
>> >>> > > > > Subject: Re: [NTISP] PostOffice 3.5.3 & Outlook again!
>> >>> > > > >
>> >>> > > > >
>> >>> > > > > We've had enough of spending all day deleting emails,
>> >>> it's very fast
>> >>> > > > > starting to look like we dump post.office in search of
>> >>> > > greener pastures.
>> >>> > > > > Lately the support has been pathetic, I don't think
>> two or three
>> >>> > > > > weeks for a
>> >>> > > > > reply to a support query is reasonable, fair enough
>> perhaps if it
>> >>> > > > > were free
>> >>> > > > > support!
>> >>> > > > >
>> >>> > > > > Maybe we need an electronic petition! :-)
>> >>> > > > >
>> >>> > > > > Rregards
>> >>> > > > > Dan
>> >>> > > > >
>> >>> > > > > ==========================
>> >>> > > > > Dan Waldron
>> >>> > > > > Internetworx Pty Ltd
>> >>> > > > > dan@internetworx.com.au
>> >>> > > > > http://www.internetworx.com.au
>> >>> > > > > Ph: 1300-300-005
>> >>> > > > > Fax: 1300-302-270
>> >>> > > > >
>> >>> > > > >
>> >>> > > > > ----- Original Message -----
>> >>> > > > > From: Christian Schmit <cschmit@vo.lu>
>> >>> > > > > To: <ntisp@iea-software.com>
>> >>> > > > > Sent: Saturday, July 24, 1999 2:41 AM
>> >>> > > > > Subject: [NTISP] PostOffice 3.5.3 & Outlook again!
>> >>> > > > >
>> >>> > > > >
>> >>> > > > > > Hi,
>> >>> > > > > >
>> >>> > > > > > We still have a lot of problems with Outlook customers
>> >>> > > > > > when they get large mails on our PostOffice server.
>> >>> > > > > > (around 2-3 MB or more)
>> >>> > > > > >
>> >>> > > > > > These customers use Outlook 5 which comes with IE 5.
>> >>> > > > > > I thought software.com said Outlook ver. 5 would solve
>> >>> > > > > > the problems they have with Outlook clients. To me
>> >>> > > > > > it seems that the problems are not solved.
>> >>> > > > > >
>> >>> > > > > > Hopefully the next version of postoffice solves these
>> >>> > > > > > problems. Anyone knowing when version 4 of PostOffice
>> >>> > > > > > will be released? What features will it have?
>> >>> > > > > >
>> >>> > > > > > Christian
>> >>> > > > > >
>> >>> > > > > >
>> >>> > > > > >
>> >>> > > > > >
>> >>> > > > > >
>> >>> > > > > >
>> >>> > > > > > For more information about this list (including
>> removal) go to:
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>> >>> > > > >
>> >>> > > > >
>> >>> > > > > For more information about this list (including
>> removal) go to:
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>> >>> > > > >
>> >>> > > >
>> >>> > > >
>> >>> > > > For more information about this list (including removal) go to:
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>> >>> > >
>> >>> > >
>> >>> > > For more information about this list (including removal) go to:
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>> >>> >
>> >>> >
>> >>> > For more information about this list (including removal) go to:
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>> >>>
>> >>>
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>> >>
>> >>
>> >>For more information about this list (including removal) go to:
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>> >
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>>
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>
>
>For more information about this list (including removal) go to:
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