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Outlook Error The Message Contents May Have Been Altered

Contact Support [email protected] Knowledge Center Change Product Search Contact Symantec About Symantec News Blogs Legal Notices Privacy Repository Worldwide Sites Site Map Feedback Copyright © 2016 Symantec Corporation. This test normally is quite reliable, if the issue is there still it is not FPE, if it is gone it could be FPE. If you're having a computer problem, ask on our forum for advice. 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 Source

Norton scans my incoming and > outgoing messages, but does not append or alter any content (to my > knowledge). > If Norton finds a virus, it hijacks the message and Member Login Remember Me Forgot your password? If Norton finds a virus, it hijacks the message and quarantines it and opens a windows dialogue box indicating so. All rights reserved.

But, I don't know digitally signed messages or encrypted messages respond to scanners trying to append them. Best Regards Monday, January 09, 2012 1:17 PM Reply | Quote 0 Sign in to vote jp, you're right... Send an email from my personal email/work PC to my wife's email.

I am trying to test that out now... Report message to a moderator Previous Topic:Hyperlinks "look in" default locationNext Topic:Re: turn on reading pane for Drafts folder in Outlook 2003 Goto Forum: - Office-Outlook.comDiscussions Remaining differences: - different RSA key-pairs - different modulos any insights? PC Review Home Newsgroups > Microsoft Outlook > Microsoft Outlook Installation > Home Home Quick Links Search Forums Recent Posts Forums Forums Quick Links Search Forums Recent Posts Articles Articles Quick

Tuesday, December 20, 2011 4:12 PM Reply | Quote Answers 3 Sign in to vote Try this one... Once you sign a message you can not change a single bit (it will fail the check). Apple Info Site Map Hot News RSS Feeds Contact Us Copyright © Apple Inc. https://forums.comodo.com/email-certificate/problems-with-the-signature-in-outlook-t109502.0.html To the original poster of this thread: - Find out who the 3rd party scanner is. - Talk to their scanner administrator about the possibility their scanner is corrupting message content

Thanks for replying,! We obtained individual certificates for ourselves (as there is not many of us) but started our Client on a Business account with a CA. I was also able to validate this by connecting my Gmail account through Thunderbird which handle the compose in plain text with Outlook signature verification working on the receive end. Terms of Use Updated Privacy Policy Cookie Usage Log in or Sign up PC Review Home Newsgroups > Microsoft Outlook > Microsoft Outlook Installation > digital signature not validating in outlook,

Signed by aneische@timeproof.de 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. http://office-outlook.com/outlook-forum/index.php/m/6777/ thanks ----- pbw imhotep Guest Posts: n/a 05-09-2006, 05:02 PM pretzel wrote: > Dear All, > > We are testing out Digital Certificates as 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. Look for some type of error > code.

Unfortunately Outlook doesn't let you do an actual binary dump of the source messages so there's no way I can verify this with a hex editor or similar. this contact form 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. but I didn't find any other way to send or receive digitally signed mail. I suspect what is happening is that these messages contained either long lines (i.e.: >990 octets) or bare line feeds (as opposed to CR LF pairs) and the Exchange server is

Look at your logs. If I send the email to my own email address, the message is error free. I would say any alteration of > the email message would cause this error. have a peek here Adam was not alone in the Garden of Eden, however, and does not deserve all the credit; much is due to Eve, the first woman, and Satan, the first consultant." -

Digital Signature, Non-Repudiation (c0)) - the content is not the same - the signing time is different (the last two are kind of obvious) > (and by > the way, list Logged Mark Peterson Newbie Posts: 3 Re: Problems with the signature in Outlook « Reply #1 on: January 28, 2015, 03:05:56 PM » One quick follow-up. why does this problem happen?

Your name or email address: Do you already have an account?

Digital Signature, Non-Repudiation (c0)) - the content is not the same - the signing time is different (the last two are kind of obvious) > (and by > the way, list When we send or receive signed emails with attachments, the following error appears: There are problems with the signature. Modifying the header of a message will not invalidate a signed email as only the message is signed not the headers. Ifthere is another way toprevent Attachment Filter agent to add the Content-Description field, together with the file name of the attachment to the message, please, let me know.

We're a friendly computing community, bustling with knowledgeable members to help solve your tech questions. Report Inappropriate Content Message 2 of 2 (3,073 Views) 0 Likes « Message Listing « Previous Topic Next Topic » BlackBerry.com/support | Mobile Site | Full Site Legal Copyright © 2015 Guest Posts: n/a 08-09-2006, 03:18 PM I can't come up with any clear answer on this question. http://sisei.net/outlook-error/outlook-error-message-550-5-7-1.html 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

Report message to a moderator Re: digital signature not validating in outlook, but validating ev [message #7458] Wed, 05 July 2006 02:24 Ralf HauserMessages: 5Registered: July 2006 Junior Signed by xxxxxx@netzero.net using RSA/SHA1 at 7:09:35 AM 12/4/2008. Hello and welcome to PC Review.