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38 views

Public armored key for OpenPGP from .pfx file?

With OpenSSL I can generate a public key file from a .pfx file as follows: openssl pkcs12 -in cert.pfx -clcerts -nokeys -out pubcert.pem openssl x509 -pubkey -in pubcert.pem -noout > pubkey.pem ...
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0answers
11 views

How do I append a footer in Outlook only if the recipient is external?

I am using client side SMIME and want to append a footer only if the person is an external to my mail system. My mail system includes about 200 domains, and I only want to append a footer if I'm ...
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1answer
28 views

S/MIME with GMail in Browser

So I have a S/MIME Certificate at StartSSL now. I can now use it in my Thunderbird on Ubuntu and Windows 7. But how can I configure my Browser(Chrome) to use my certificate(which is already imported ...
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1answer
23 views

Possible to change Outlook SMIME icon from RED to Blue?

Every SMIME clear signed message has a red icon located near the Urgent exclamation point as shown below. This is often confused with high priority, and sends the wrong subtle message. IMHO a red ...
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0answers
44 views

Signing-milter / SMIME - how are this email signed incorrectly?

I have a problem with signing-milter (http://www.signing-milter.org). The problem is that the -b flag is required, and the -b flag is not recommended because it outputs non-RFC compliant email. ...
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1answer
89 views

S/MIME for Mac and iOS

I have been trying to generate S/MIME certificates for my MacOS and iOS devices and it does not seem to work. I have researched on this matter and it seems that keyUsage and extendedKeyUsage are ...
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2answers
282 views

How to get GPG working with Outlook 2013?

My OS is Windows 8.1 Update 1 x64. I have Outlook 2013 and just installed GPG4Win (latest, 2.2.2, full version). When I now launch Outlook 2013, I still don't see any UI/options to setup certificates ...
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1answer
2k views

OS X 10.10 Apple Mail not recognizing S/MIME certificate

After upgrading to Yosemite, Apple Mail no longer recognizes my S/MIME certificate. This was working in Mavericks. I've checked Keychain and the certificate is valid, even evaluated it as S/MIME for ...
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1answer
65 views

How can I add an LDAP directory to all Outlook profiles? (SMIME directory)

I need my Windows based Outlook users to be able to look up an SMIME certificate from this LDAP directory How can I automatically (via scripting or policy) modify an Outlook profile to include this? ...
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0answers
58 views

Emacs Gnus email decrypt smime without openssl

I use gnus for my email. Every once in a while, I receive an encrypted email; when I answer "yes" to Gnus offer to decrypt it, it responds smime-verify-region: No CA configured. Now, my workplace ...
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0answers
135 views

Outlook 2013: Multiple accounts, sign only mails from one account

I have two email accounts (Exchange) configured in Outlook. For one I have a S/MIME certificate configured which always signs the mails I send from this account. Problem now is that Outlook also ...
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0answers
26 views

Is it possible to combine my S/MIME public signing and encryption certificates into one certificate?

My company provides me with S/MIME certificates, but for some reason choose to issue separate certificates for signing and encrypting. Therefore, when I sign a message, the recipients aren't able to ...
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1answer
133 views

Is it possible to use self-signed SMIME certs with Mutt?

I'm trying to use a self-signed SMIME key that my company has issued me with Mutt. However, when I try to import it with smime_keys I get the following. Couldn't identify root certificate! No root ...
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1answer
1k views

Can't S/MIME sign using OpenSSL even if “verify” suceeds

I have a client certificate in Chrome, that I used for logging into StartSSL. I exported it using pk12util to certfile.p12. Now I want to use it for signing with S/MIME. I converted the p12 file to ...
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1answer
73 views

Can I sign my emails with both S/MIME and PGP/GPG?

And if it possible, is there any benefit from doing so in one order or the other? signWithSMIME(signWithPGP(message)) versus signWithPGP(signWithSMIME(message)) Also, are there any reason not to ...
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0answers
285 views

S/MIME email Public Certificate?

Is there a way to create a public certificate for a S/MIME email certificate? I would like to share the public key on my website so people can send me encrypted emails. However I can only find ...
1
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1answer
947 views

No valid certificate found using self signed S/MIME with iOS [closed]

My goal is to get S/MIME email encryption to work with certificates signed with my own CA cert. This works fine except from iOS. I can send encrypted and signed e-mails from Mutt and MacOS Mail. I ...
0
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1answer
80 views

How does Outlook deal with temporary data encrypted with S/MIME?

We are using S/MIME to encrypt messages and their attachments and Outlook as email application. All documents sent in attachment are stored on an encrypted folder and should never be copied anywhere ...
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1answer
2k views

Any way to sign mails in Gmail with S/MIME?

i am using S/MIME to sign my mails in Thunderbird and Apple Mail on my iOS devices. But from time to time i also use the Gmail webmailer. Is there any working pluging for Mozilla Firefox to also sign ...
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0answers
37 views

Mailinglists in Thunderbird with S/MIME

I am looking for a solution to send encrypted mails to a (internal) mailinglist. To encrypt the mail to all the recipients, I need some way to tell Thunderbird what the recipients are. I was hoping ...
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0answers
111 views

Does SMIME encrypt the subject matter?

I've recently acquired an SMIME certificate and installed it in Outlook 2013. I set my brother up to do the same. So I used his certificate to send him an encrypted mail. He had an out of office ...
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2answers
1k views

Outlook 2013, multiple email accounts and encrypted email: Only last S/MIME settings used

I have multiple email accounts properly setup in Outlook 2013 (can send/receive fine otherwise). Lets say they are: user1@domain1.com user2@domain2.com user3@domain3.com All belong to me and I have ...