Classify Email as Bounce (DSN) or Automated Reply

Demonstrates how to use the Chilkat Bounce component to determine if an email is an bounce (DSN) or an automated reply.

Downloads:

MS Windows Visual C/C++ Libraries

Linux/CentOS C/C++ Libraries

MAC OS X C/C++ Libraries

Solaris C/C++ Libraries

C++ Builder Libraries

FreeBSD C++ Libraries

HP-UX C++ Libraries

BlackBerry QNX C++ Libraries

#include <C_CkBounce.h>
#include <C_CkEmail.h>

void ChilkatSample(void)
    {
    HCkBounce bounce;
    BOOL success;
    HCkEmail email;

    bounce = CkBounce_Create();

    success = CkBounce_UnlockComponent(bounce,"Anything for 30-day trial");
    if (success == FALSE) {
        printf("Failed to unlock component\n");
        return;
    }

    email = CkEmail_Create();

    //  Load an email from a .eml file.
    //  (This example loads an Email object from a .eml file,
    //  but the object could have been read
    //  directly from a POP3 or IMAP mail server using
    //  Chilkat's POP3 or IMAP implementations.)
    success = CkEmail_LoadEml(email,"sampleBounce.eml");
    if (success == FALSE) {
        printf("%s\n",CkEmail_lastErrorText(email));
        return;
    }

    success = CkBounce_ExamineEmail(bounce,email);
    if (success == FALSE) {
        printf("%s\n",CkBounce_lastErrorText(bounce));
        return;
    }

    if (CkBounce_getBounceType(bounce) == 1) {
        //  Hard bounce, log the email address
        printf("Hard Bounce: %s\n",CkBounce_bounceAddress(bounce));
    }

    if (CkBounce_getBounceType(bounce) == 2) {
        //  Soft bounce, log the email address
        printf("Soft Bounce: %s\n",CkBounce_bounceAddress(bounce));
    }

    if (CkBounce_getBounceType(bounce) == 3) {
        //  General bounce, no email address available.
        printf("General Bounce: No email address\n");
    }

    if (CkBounce_getBounceType(bounce) == 4) {
        //  General bounce, log the email address
        printf("General Bounce: %s\n",CkBounce_bounceAddress(bounce));
    }

    if (CkBounce_getBounceType(bounce) == 5) {
        //  Mail blocked, log the email address
        printf("Mail Blocked: %s\n",CkBounce_bounceAddress(bounce));
    }

    if (CkBounce_getBounceType(bounce) == 6) {
        //  Auto-reply, log the email address
        printf("Auto-Reply: %s\n",CkBounce_bounceAddress(bounce));
    }

    if (CkBounce_getBounceType(bounce) == 7) {
        //  Transient (recoverable) Failure, log the email address
        printf("Transient Failure: %s\n",CkBounce_bounceAddress(bounce));
    }

    if (CkBounce_getBounceType(bounce) == 8) {
        //  Subscribe request, log the email address
        printf("Subscribe Request: %s\n",CkBounce_bounceAddress(bounce));
    }

    if (CkBounce_getBounceType(bounce) == 9) {
        //  Unsubscribe Request, log the email address
        printf("Unsubscribe Request: %s\n",CkBounce_bounceAddress(bounce));
    }

    if (CkBounce_getBounceType(bounce) == 10) {
        //  Virus Notification, log the email address
        printf("Virus Notification: %s\n",CkBounce_bounceAddress(bounce));
    }

    if (CkBounce_getBounceType(bounce) == 11) {
        //  Suspected bounce.
        //  This should be rare.  It indicates that the Bounce
        //  component found strong evidence that this is a bounced
        //  email, but couldn//t quite recognize everything it
        //  needed to be 100% sure.  Feel free to notify
        //  support@chilkatsoft.com regarding emails having this
        //  bounce type.
        printf("Suspected Bounce!\n");
    }


    CkBounce_Dispose(bounce);
    CkEmail_Dispose(email);

    }