| What is smime.p7m?
|
| An smime.p7m file is a secure email:
the content and attachments have been secured according to S/MIME
to protect it from unauthorized access. To view the secure content,
open it with p7mViewer - the secure mail viewer.
|
Download p7mViewer!
|
Most often, you find an smime.p7m file in web-based
mail readers, when they try to display a secure email. For example:
Other mail readers
that are not SMIME compatible will also display smime.p7m in such situation.
In such situation you can download
p7mViewer to open the smime.p7m file and read the
message.
|
| What is inside an smime.p7m file?
|
| The raw content of an smime.p7m file looks similiar to this: |
Content-Type: application/x-pkcs7-mime;smime-type=enveloped-data;name="smime.p7m"
Content-Transfer-Encoding: base64
Content-Disposition: attachment;filename="smime.p7m"
MIAGCSqGSIb3DQEHA6CAMIACAQAxgfQwgfECAQAwWjBOMRUwEwYDVQQDEwxBbGljZSBWaWV3ZXIx
IjAgBgkqhkiG9w0BCQEWE2FsaWNlQHA3bXZpZXdlci5jb20xETAPBgNVBAoTCENyeXB0aWdvAgji
1LtQ1Q0WvzANBgkqhkiG9w0BAQEFAASBgDekCYXggsTdwukEkG5GFIsPr1sgmZGgYLKZNQ3BhWAE
EOCiOHVJYZeXWDGZbt9rMz9kdGWkjXn6Ymwapb4OIZrM3bZQCWARloIAN1QdvxFn1QtBb4WhMdfL
0muVC/0oB622IIANNSmPF4OMrBmrU7PBzDstHgN7UFQIBNGEu6QzMIAGCSqGSIb3DQEHATAUBggq
hkiG9w0DBwQISe8qhQLX/tOggARItPs5ZnYnW9Zy8eSjn5bJtwyiOV9q9SRja/o3lHEUI9vXKNmb
RFn6Tghf54K7BXlRkJCNdjJI6ETCcpc3y0gz+tJZmc/8f6e6AAAAAAAAAAAAAA== |
| p7mViewer will display this file as:
|
|
| smime.p7m examples
|
| Any data, not only e-mail can be secured using S/MIME. For example, the help file for p7mTool, the tool for creating secure electronic mail and documents,
could be : |
 | Encrypted to Alice Viewer, without any MIME headers or encoding:
enc-to-Alice-smime.p7m |
| Signed by Bob Viewer, encoded in Base 64, with MIME headers:
sig-by-bob-smime.p7m |
| Signed by both Bob and Alice Viewer, encrypted to Dave and Alice, with MIME headers but no inner headers:
sba-eda-smime.p7m |
| Attached to a text file with a short description and encrypted, signed and again encrypted (by and to Alice)
ese-smime.p7m |
