Using a .cer Certificate File for Encrypted Email

Sends an encrypted email using the recipient's digital certificate from a .cer file.

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#include <C_CkMailMan.h>
#include <C_CkCert.h>
#include <C_CkEmail.h>

void ChilkatSample(void)
    {
    HCkMailMan mailman;
    BOOL success;
    HCkCert cert;
    HCkEmail email;

    //  The mailman object is used for sending and receiving email.
    mailman = CkMailMan_Create();

    //  Any string argument automatically begins the 30-day trial.

    success = CkMailMan_UnlockComponent(mailman,"30-day trial");
    if (success != TRUE) {
        printf("Component unlock failed\n");
        return;
    }

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

    //  Load the .cer file into a certificate object:
    cert = CkCert_Create();
    success = CkCert_LoadFromFile(cert,"comodoChilkat.cer");
    if (success != TRUE) {
        printf("%s\n",CkCert_lastErrorText(cert));
        return;
    }

    //  Create a new email object
    email = CkEmail_Create();

    CkEmail_putSubject(email,"This email is encrypted");
    CkEmail_putBody(email,"This is a digitally encrypted mail");
    CkEmail_putFrom(email,"Chilkat Support <support@chilkatsoft.com>");
    CkEmail_AddTo(email,"Comodo Test","comodo@chilkatsoft.com");

    //  Indicate that the email is to be sent encrypted.
    CkEmail_putSendEncrypted(email,TRUE);

    //  Specify the certificate:
    CkEmail_SetEncryptCert(email,cert);

    success = CkMailMan_SendEmail(mailman,email);
    if (success != TRUE) {
        printf("%s\n",CkMailMan_lastErrorText(mailman));
    }
    else {
        printf("Mail Sent!\n");
    }


    CkMailMan_Dispose(mailman);
    CkCert_Dispose(cert);
    CkEmail_Dispose(email);

    }