Questions tagged [smime]

S/MIME is a protocol for signing and/or encrypting emails using certificates

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Which clients support self-signed certificates with DANE?

We've been considering to make more use of DANE as a decentralised authority for our certificates. Especially with S/MIME. However, the key obstacle is... how widely are DANE treated as an authority ...
Haneef Ibn Ahmad's user avatar
2 votes
0 answers
405 views

Are External LDAP referrals similar to a DNS Recursive or non recursive entry?

I'm very familiar with DNS, but less so with LDAP. In DNS I have the ability to delegate the CPU and IO load of referral chasing a given DNS query... or I can set norecurse and have the client ...
makerofthings7's user avatar
2 votes
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mutt, smime, decrypt with one of two different keys

This is an odd one. We want to have an encrypted e-mail list. There are a few ways to do this, but in the interim what we've done is created a public/private keypair via openssl for our e-mail list (...
munin's user avatar
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1 vote
1 answer
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Digital Signature is not valid

I recently received a digital signed email from a friend and the certificate is issued by COMODO RSA Client Authentication and Secure Email. My problem is the thunderbird detect it as a "Not Valid ...
shiroyashaa's user avatar
1 vote
1 answer
531 views

How can I limit the SMIME capabilities from a CA without using FIM?

These instructions describe how to prevent using SMIME with weak ciphers, however it requires an expensive product from Microsoft. How can I prevent a CA from issuing SMIME certificates that permit ...
makerofthings7's user avatar
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1 answer
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External LDAP SMIME Public Key Search Fails from Outlook for iOS With NoSuchObject

The Outlook for iOS documentation seems to indicate that it's possible to configure an external LDAP address to search for SMIME public key certificates: https://learn.microsoft.com/en-us/exchange/...
jdbst56's user avatar
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How to sign a certificate for s/mime and generate pkcs12 store with existing CA?

I want to create a certificate store file in pkcs12 format to use in thunderbird for s/mime signing and encrypting. I already run a mail and web server that use certificates signed by a CA certificate ...
FalcoGer's user avatar
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1 answer
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Outlook sMIME certificates location, errors, and background work

We have an situation. Our customer can get sMIME encrypted mails and reply to that email. But when he wants to send it with new email he is getting an error message as if the recipient email does not ...
CanBuyukburc's user avatar
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1 answer
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Cannot recover backup made with `openssl smime`

My (only) database server went down and I am in the process of recovering everything. I created a new server and now I just want to restore the database backup. I have a nightly script that runs this ...
KNejad's user avatar
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1 answer
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Automatic S/MIME certificate distribution/outlook integration for signed/encrypted email

I have a Windows Server 2008 R2 Machine and an Exchange 2010 Server on two seperate machines. The WS2008R2 machine is configured with a certificate authority in which I have configured certificate ...
1amtoo1337's user avatar
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S/MIME icon missing from OWA

I'm trying to test S/MIME with OWA (Exchange 2010, Outlook 2010). Now my research has told me that the control must be installed first. So as someone with admin rights, open OWA, click on All Option, ...
user2891127's user avatar
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How to setup an openldap addressbook for thunderbird secure s/mime email ?

I want to setup an ldap server that will hold an addressbook of users their emails their smime certificates. I want to use this ldap server as an addressbook in thunderbird and/or other mail clients ...
Horatiu's user avatar
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