Select Cert for Encrypted Email

Demonstrates how to search for a specific certificate from Current User and Local Machine certificate stores, and then use it for encrypting an email.

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#include <CkMailMan.h>
#include <CkCert.h>
#include <CkEmail.h>

void ChilkatSample(void)
    {
    //  The mailman object is used for sending and receiving email.
    CkMailMan mailman;

    //  Any string argument automatically begins the 30-day trial.
    bool success;
    success = mailman.UnlockComponent("30-day trial");
    if (success != true) {
        printf("Component unlock failed\n");
        return;
    }

    //  Set the SMTP server.
    mailman.put_SmtpHost("smtp.comcast.net");

    //  Search the Local Machine and Current User certificate
    //  stores for a certificate -- by common name or by email  address.
    CkCert cert;

    success = cert.LoadByCommonName("Chilkat Software");
    if (success != true) {
        //  Try loading it by email address.
        success = cert.LoadByEmailAddress("comodo@chilkatsoft.com");
        if (success != true) {
            printf("%s\n",cert.lastErrorText());
            return;
        }

    }

    //  Create a new email object
    CkEmail email;

    email.put_Subject("This email is encrypted");
    email.put_Body("This is a digitally encrypted mail");
    email.put_From("Chilkat Support <support@chilkatsoft.com>");
    email.AddTo("Comodo Test","comodo@chilkatsoft.com");

    //  Indicate that the email is to be sent encrypted.
    email.put_SendEncrypted(true);

    //  Specify the certificate:
    success = email.SetEncryptCert(cert);
    if (success != true) {
        printf("%s\n",email.lastErrorText());
        return;
    }

    success = mailman.SendEmail(email);
    if (success != true) {
        printf("%s\n",mailman.lastErrorText());
    }
    else {
        printf("Mail Sent!\n");
    }

    }