Top "Smime" questions

S/MIME (Secure/Multipurpose Internet Mail Extensions) is a standard for public key encryption and signing of MIME data.

certutil: function failed: SEC_ERROR_LEGACY_DATABASE: The certificate/key database is in an old, unsupported format

I had downloaded a verified (not self-signed) S/MIME certificate with iceweasel (firefox) which was stored in cert8.db Then …

certificate smime nss certificate-store certutil
Extract public Certificate from SMIME Message (pkcs7-signature) with OpenSSL

How can i extract the public certificate from an smime message (pkcs7-signature) with OpenSSL?

encryption cryptography openssl smime
Encrypt a big file using openssl smime

I have generated a local certificate in my system and I am trying to encrypt a file through smime. But …

openssl ssl-certificate smime
How to check if encrypted S/MIME message is also signed, without decrypting it

What is the easiest way (in terms of computing resources) to tell if an s/mime email message is signed …

email encryption digital-signature smime
How to Decode/extract smime.p7m file contents of SMIME signed email using Ruby OpenSSL library

I have a signed email message as string. And I want to get string with whole unsigned message with attachments …

ruby openssl signed smime
Is there a difference between MIME and content type?

While using the f12 tools on ie, when I request a web page, the response header has a content type. …

http smtp mime smime rfc822
read .p7m file using c#

how to retrieve all information for .P7M file using c# application. sample .p7m file : please if possible then …

c# .net smime
PHPMailer and S/MIME

For a school assignment we have to send secure emails coming from a bank (we are the bank). In order …

php security phpmailer digital-certificate smime
EWS: Retrieving attachments from signed emails

I have a C# program that manages a resource mailbox by retrieving attachments and categorizing emails into sub-folders. An issue …

c# email attachment ews-managed-api smime
Email Security: TLS and S/MIME

My understanding is that TLS is an encryption technique that allowing two STMP servers to communicate with each other securely. …

https ssl smime