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Channel: Adobe Community : Discussion List - Security & Digital Signatures
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Acrobat Reader X invalidate the signature if the original document (before...

Hi, I would like to understand a comportment of Acrobat Reader X. I didin’t find something in the “ISO-32000-1” that can explain this.The context: I sign a document with a DocMDP signature and with an...

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How can I e-sign a document?

I need to e-sign a document and Adobe comes up with a warning on whether or not I trust the person/people that sent the document to me and after I fill out the document, I click on the e-sing link and...

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what is the cheapest version of Adobe that will allow me to email secure pdf...

what is the cheapest version of Adobe that will allow me to email secure pdf files?

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How do I password protect an existing PDF?

I have a group of files I need to send via email. They have sensitive info on them. I am trying to password protect them. But, all of the results I am getting online don't seem to exist in my tool bar....

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Can I limit the number of times someone can view a document

I would like to limit the number of times a person can view a document and then have it inaccessible. Is there a way to do that?

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Forensic Document

Hello,   Is there any way to check if two PDF document were made by same person or by same computer?   Regards,

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Why do some signature requests through EchoSign arrive at random times? Some...

When I send a signature request, I never know when it will arrive.  Some arrive within a moment but some arrive 15 hours or more.  Sometimes, I receive an email saying that the request has been sent...

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Acrobat DC support for vector drawn signatures?

When signing a document in Acrobat DC by drawing on a pen enabled machine, the signature is stored as a bitmap instead of a vector.  In previous versions it was stored as a vector.  How do I get...

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I need to add a signature form at the bottom of each page of a 100+ page...

I've been able to add the form, using the "Prepare Form" function, adding the field, saving, and then duplicating. This does not, however meet my needs, because If one of the forms is eventually...

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Our company wants to purchase acrobat standard/pro, but we are concerned...

Our company wants to purchase acrobat standard/pro, but we are concerned about a user that might leave the department/company. If the user leaves the company/dept. what happens to that license? Does...

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How do I password protect my Adobe files or folders?

How do I password protect my Adobe files or folders?

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Hi, Kindly help me to choose the acrobat product

Hi, Kindly suggest selecting the right product for below requirement. We are planning to give Non editable PDF to the users and they should not reuse it, so I would like to disable the below options-...

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Binding PDF to single computer/user

I create and sell interactive PDFs to my subscribers. I encrypt all my pdfs with passwords which only subscribers will receive once they've made payment. But recently I've discovered that some of my...

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when i try to sign a pdf it will not let me choose the option to "place...

when i try to sign a pdf it will not let me choose the option to "place signature"

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I'm trying to use our internal CA to sign PDFs. Is there a way to set the...

I need to set the signature verification to Trust all root certificates in the windows certificate store.  It appears that I also need to set security settings and enahanced settings for these to work.

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How do I change my security settings so my content won't be copy/pasted?

I'm having a hard time changing the security settings on a PDF file and I want to change the settings so people can't copy or paste my work. What's the process for this because right now I haven't been...

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Signature is dropped when document is attached to another document, how do I...

I lost the writer's signature when I attach one document to another document, How do I restore keeping the signature.  It used to work until I did something to delete the signature.

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Acrobat Pro XI gives an error when trying to use the Get the Others to Sign...

The error is "There is a system error. Please try again later." I use my Adobe ID for both Acrobat and EchoSign to log in but Acrobat will not connect to EchoSign.  I would like to send documents from...

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Hello, I created a form for clients to fill out, save, and email back to me....

Hello, I created a form for clients to fill out, save, and email back to me. I did not want to set up my email through Adobe Acrobat so I saved the file and emailed it. I emailed a test email to a...

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errors with digital signatures not validated

i get an error message that some digital signatures are not validated. How do you validate a signature or can you just shut off validation.

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