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How to send signed email using the roundcube, dovecot, and postfix

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Last Modified: 2014-12-30
I have Postfix, Dovecot, Roundcube, and mysql based on Centos 6.3 how can I set it up to send signed email?
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Software Engineer
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Commented:
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Commented:
I believe I mixed alot of stuff together,  but to be more specific I want to be able to signed email only from rounscube (not encrypted ).
It more a small business email so I own the server and have a full control on it.
I that  possible.
nociSoftware Engineer
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Distinguished Expert 2019

Commented:
Please define signing...:
The cryptographic variant is encrypting portion of the header that you "encrypt"/"hash" using a private/ public key pair so other ca verify you sent the mail. This needs the same pretext as encryption. (only you private key on the server) ... so see above.

Signing as in -- on a line with something beneath it...
That is easy. Go to settings, identity, and fill out the textbox for it. And mark it as html if that is needed.

Be aware to not send your autograph in a picture, otherwise anybody can photoshop that into any letter.

Author

Commented:
Thank you for your clarifications in both posts, the first one explaind a lot
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