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Swift 3,4,5... Examples

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(Swift 3,4,5...) Send Signed Email using PFX File

Demonstrates how to send a signed email using a digital certificate w/ private key stored in a PFX file.

Chilkat Downloads for the Swift Programming Language

MAC OS X (Cocoa) Objective-C/Swift Libs

iOS Objective-C/Swift Libs

func chilkatTest() {
    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    // The mailman object is used for sending and receiving email.
    let mailman = CkoMailMan()!

    // Set the SMTP server.
    mailman.smtpHost = "smtp.mymailserver.com"

    // Create a new email object
    let email = CkoEmail()!

    email.subject = "This email is signed"
    email.body = "This is a digitally signed mail"
    email.from = "Chilkat Admin <admin@chilkatsoft.com>"
    var success: Bool = email.add(to: "Chilkat Support", emailAddress: "support@chilkatsoft.com")

    // Indicate that the email should be sent signed.
    email.sendSigned = true

    // Tell the mailman to use a PFX file as a source for locating
    // the certificate and private key required for signing.
    // The certificate chosen for signing will be the one that
    // matches the sender's email address, which also has
    // a private key.  All intermediate certs in the chain of 
    // authentication, up to and including the root, will
    // be included in the signature.
    success = mailman.addPfxSourceFile("/pfx_files/chilkatsoft_secret.pfx", password: "secret")
    if success != true {
        print("\(mailman.lastErrorText!)")
        return
    }

    // Signed email can be sent in two different ways.  
    // In a multipart/signed email, the signature is attached as a separate MIME part.
    // In an opaque email (signedData) the content of the email is encapsulated within the signature
    // and the email is sent as "application/pkcs7-mime". 
    // Either should be fine, but some receiving systems might require one or the other..
    mailman.opaqueSigning = false

    // Send a signed email.
    success = mailman.send(email)
    if success != true {
        print("\(mailman.lastErrorText!)")
    }
    else {
        // The LastErrorText property provides information
        // even when successful.
        print("\(mailman.lastErrorText!)")
        print("Mail Sent!")
    }


}

 

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