TNEF problem

[Julian Field]

At 19:00 28/09/2001, you wrote:
>At 11:14 28/09/2001, you wrote:
>> >-----Original Message-----
>> >From: S.R.Patterson [mailto:S.R.Patterson at SOTON.AC.UK]
>> >Sent: Monday, September 10, 2001 8:42 PM
>> >To: MAILSCANNER at JISCMAIL.AC.UK
>> >Subject: Re: TNEF problem
>> >
>> >
>> >Finally it's VERY worthey of note that since this method aborts without
>> >unpacking the attachment there is no guarantee that viruses won't get
>>through
>> >inside tnef type attachments.  If you're worried perhaps you (Jules) can
>>check
>> >on the return code of tnef and if it's -1 (failure) then you reject the
>> >attachment as "Unexpandable archive, rejected" or something?  Or do you
>>already
>> >do this?
>> >
>> >Steve
>>
>>Hi,
>>   We are running mailscanner 2.42 with TNEF 1.0.1. We are seeing a number of
>>mails where TNEF gets stuck and aborted after 2 minutes and the mail is then
>>delivered to the recipient.
>>
>>Is there any way to quarantine these unscanned mails/attachments?
>>
>>Thanks,
>>
>>Brandon
>
>This is fixed in version 2.50. If anything goes wrong with the TNEF
>expansion, it will abandon the entire message as "unparsable" and refuse to
>deliver any of it.

Slight improvement to that: what will happen is the winmail.dat attachment
will be deemed "unparsable" and not delivered, but the plain text version
of the message will still get through.
--
Julian Field                Teaching Systems Manager
jkf at ecs.soton.ac.uk         Dept. of Electronics & Computer Science
Tel. 023 8059 2817          University of Southampton
                             Southampton SO17 1BJ