IMS Properties, Internet Mail tab - make sure that the box for Clients Support S/MIME signatures is checked. You'll need a restart (of the IMS) if it isn't.
Not sure if that will work, though - could be an encoding issue as well. -------------------------------------------------------------- Roger D. Seielstad - MTS MCSE MS-MVP Sr. Systems Administrator Inovis Inc. > -----Original Message----- > From: Wall, Max [mailto:[EMAIL PROTECTED] > Sent: Thursday, August 21, 2003 6:41 AM > To: Exchange Discussions > Subject: PDF Digital Signature Corruption > > > > We are having problems sending certain PDF file attachment (~60kbytes) > through Microsoft Exchange which have been digitally signed > using Adobe > Acrobat . When the attachment arrives at the destination and > is opened in > Acrobat the signature status is 'Signature invalid'. The > problem is not > happening to all signed PDFs, probably around 1 in 4 PDFs are > corrupted. > > I have narrowed the problem down to Microsoft Exchange. I've > sent the same > PDF files with Outlook and Outlook Express using SMTP (with > our Exchange > SMTP and other SMTP servers) and they go through fine. But > when sent from an > Exchange client the Acrobat digital signature are getting > corrupted. I've > tried all different variations of the attachment options in > the Exchange IMS > but to no avail. > > We are using Exchange 5.5 SP4 on Windows 2000 Advanced > Server. Our Exchange > anti-virus is Trend Micro Scanmail. > > Anyone come across this problem or something similar before? > > Regards > > Max > > Max Wall, IT Services, Seven Worldwide Ltd > Web: http://www.sevenww.co.uk Tel: +44 (0)20 7871 7883 > > > _________________________________________________________________ > List posting FAQ: http://www.swinc.com/resource/exch_faq.htm > Web Interface: > http://intm-dl.sparklist.com/cgi-bin/lyris.pl?enter=exchange&t ext_mode=&lang=english To unsubscribe: mailto:[EMAIL PROTECTED] Exchange List admin: [EMAIL PROTECTED] _________________________________________________________________ List posting FAQ: http://www.swinc.com/resource/exch_faq.htm Web Interface: http://intm-dl.sparklist.com/cgi-bin/lyris.pl?enter=exchange&text_mode=&lang=english To unsubscribe: mailto:[EMAIL PROTECTED] Exchange List admin: [EMAIL PROTECTED]
