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Error The Message Contents May Have Been Altered

However, emails that are only signed generate a "message contents may have been altered" error when I view them in my Inbox (within Outlook). I would be interested to see an answer to this question myself. User name: Password: Email support for login help. I have seen this a lot with incoming mail, myself. http://vgadownload.com/error-the/error-the-listener-returned-the-following-message-404-not-found.html

this is enough to break a s\mime signature.) I know, therefore I am asking for an alternate channel to submit the sample files... If you choose to participate, the online survey will be presented to you when you leave the Technet Web site.Would you like to participate? If a mail scanner is appending messages with predefined text (especially, signed or encrypted messages), will that change cause an error at the recipients end as indicating the signed message has Look for some type of >> error code.

Step 1: Select a product SSL Certificates Support Symantec™ Safe Site Support Code Signing Support Digital IDs for Secure Email Support Managed PKI Support Managed PKI for SSL Support VIP Authentication Ian posted Oct 13, 2016 at 10:43 AM WCG Stats Thursday 13 October 2016 WCG Stats posted Oct 13, 2016 at 8:00 AM Loading... It contains the validating and the non-validating version that are 99% identical. Signed by [email protected].com using RSA/SHA1 at > > > 15:05:47 16/08/2006." > > > > > > As we use an external mail filter (so all our mail is

Others, append > every message with text that inidicates to the recipient that the > message has been scanned and "approved" as virus free by the scanner > (to give you A scanner that adds a text to the (signed) message body is altering it indeed; adding an extra header doesn't break S/MIME signature, as only the message body integrity is protected You seem to be >> "shooting in the dark". The backend is Exchange but I cant think why that would cause this issue.Any ideas?

I would be really great to know whether it is the > hash > or whether it is some other reason why the signature fails in outlook. Add the following line in the Edgetransport.exe.config file in the section: Regards, Marked as answer by Der Hai Friday, February 17, 2012 7:07 PM Monday, About Us PC Review is a computing review website with helpful tech support forums staffed by PC experts. Having trouble sending email?....so am I 1 post • Page:1 of 1 All times are UTC Board index Spam Report Log in or Sign up PC Review Home Newsgroups > Microsoft

Guest Posts: n/a 07-09-2006, 02:26 PM >From my experience, mail scanners (usually virus scanners - sometimes content scanners) often only read the outgoing message. When we send or receive signed emails with attachments, the following error appears: There are problems with the signature. Symantec [+] Norton [+] Symantec Authentication Services [+] PC Tools [+] AntiVirus| Backup Software| Encryption| Virtualization| Cloud Security| Configuration Management| Disaster Recovery| File Recovery| Remote Access Software| Business Continuity AntiVirus| Backup Advertisements Latest Threads Review round up - 14 October 2016 Becky posted Oct 14, 2016 at 5:55 PM Wine In Restaurants nivrip posted Oct 14, 2016 at 5:07 PM Free website

why does this problem happen? Friday, January 06, 2012 11:02 AM Reply | Quote 3 Sign in to vote Try this one... Tuesday, December 20, 2011 4:12 PM Reply | Quote Answers 3 Sign in to vote Try this one... Signed by [email protected].com using RSA/SHA1 at > > 15:05:47 16/08/2006." > > > > As we use an external mail filter (so all our mail is scanned in transit)

Frank Meng Security Software 1 15-07-2004 07:54 PM Searching for program files via digital certificate Sean Spyware 1 13-06-2004 09:25 PM About digital certificate dw Security Software 2 12-06-2004 11:42 PM Something. >> >> > 3)If we move to Secure Messaging where the email is encrypted and hence >> > cannot be scanned by our mail filter, should I presume that the Guest Posts: n/a 08-09-2006, 03:18 PM I can't come up with any clear answer on this question. I would appreciate any advice that anyone here might be able to offer.Thanks!

The mail format is plain text in spanish (with spanish letters like "?"). I would say any alteration of > the email message would cause this error. Others, append every message with text that inidicates to the recipient that the message has been scanned and "approved" as virus free by the scanner (to give you a warm and I don't know why this would have changed from 2010.

I have issues when external email comes in formatted in any other format validating the signature. Once you sign a message you can > not change a single bit (it will fail the check). > > You hit upon a good point, I would guess that this I am having trouble encrypting e-mail messages hi!

Do you have any ideas as to how I can get this to work the way it should?Thanks.

this is enough to break a s\mime signature.) > I know, therefore I am asking for an alternate channel to submit the > sample > files... Welcome! this is enough to break a s\mime signature.) > I know, therefore I am asking for an alternate channel to submit the > sample > files... Apple may provide or recommend responses as a possible solution based on the information provided; every potential issue may involve several factors not detailed in the conversations captured in an electronic

Why Does MySort VBA only Sort One Column? 3. Sign Up Now! or If mail is scanned, then mail is appended with a "generic message" ....in the above case, it would seem that all mail would have a problem. Is there a way to have outlook provide more detailed diagnostics why it thinks the signature is invalid?

For example, NOD32 appends body text as follows: " __________ NOD32 1.1742 (20060906) Information __________ This message was checked by NOD32 antivirus system. Guest Posts: n/a 05-09-2006, 06:01 PM I interpret that he is suggesting his mail virus scanner is appending his messages with a statement that the message has been "scanned Review your logs and get a better handle on >> understanding the problem *BEFORE* you try fixing the problem. >> >> Send you emails log files.... >> >> > thanks >> Report Inappropriate Content Message 2 of 2 (3,071 Views) 0 Likes « Message Listing « Previous Topic Next Topic » BlackBerry.com/support | Mobile Site | Full Site Legal Copyright © 2015

For example SpamAssassin can have this affect (it > adds a field in the header "X-Spam-Score". Signed. No. Signed by using RSA/SHA1 at 6:16:57 PM 6/23/2006." I am happy to forward the message and an almost identical one that does also validate in outlook.