Search IMAP Mailbox for Email Matching Criteria

Searching an IMAP mailbox for messages that match search criteria.

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MS Windows Visual C/C++ Libraries

Linux/CentOS C/C++ Libraries

MAC OS X C/C++ Libraries

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C++ Builder Libraries

#include <CkImap.h>
#include <CkMessageSet.h>
#include <CkString.h>
#include <CkEmailBundle.h>
#include <CkEmail.h>

void ChilkatSample(void)
    {
    CkImap imap;

    bool success;

    // Anything unlocks the component and begins a fully-functional 30-day trial.
    success = imap.UnlockComponent("Anything for 30-day trial");
    if (success != true) {
        printf("%s\n",imap.lastErrorText());
        return;
    }

    // Connect to an IMAP server.
    success = imap.Connect("mail.chilkatsoft.com");
    if (success != true) {
        printf("%s\n",imap.lastErrorText());
        return;
    }

    // Login
    success = imap.Login("admin@chilkatsoft.com","*myPassword5*");
    if (success != true) {
        printf("%s\n",imap.lastErrorText());
        return;
    }

    // Select an IMAP mailbox
    success = imap.SelectMailbox("Inbox");
    if (success != true) {
        printf("%s\n",imap.lastErrorText());
        return;
    }

    CkMessageSet *messageSet = 0;
    // We can choose to fetch UIDs or sequence numbers.
    bool fetchUids;
    fetchUids = true;

    // Here are examples of different search criteria:

    // Return all messages.
    CkString allMsgs;
    allMsgs = "ALL";

    // Search for already-answered emails.
    CkString answered;
    answered = "ANSWERED";

    // Search for messages on a specific date.
    // The date string is DD-Month-YYYY where Month is
    // Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, or Dec.
    CkString onDate;
    onDate = "SENTON 05-Mar-2007";

    // Search for messages between two dates.  SENTBEFORE
    // finds emails sent before a date, and SENTSINCE finds
    // email sent on or after a date.  The "AND" operation
    // is implied by joining criteria, separated by spaces.
    CkString betweenDates;
    betweenDates = "SENTSINCE 01-Mar-2007 SENTBEFORE 05-Mar-2007";

    // Another example of AND: find all unanswered emails
    // sent after 04-Mar-2007 with "Problem" in the subject:
    CkString complexSearch1;
    complexSearch1 = "UNANSWERED SENTSINCE 04-Mar-2007 Subject \"Problem\"";

    // Find messages with a specific string in the body:
    CkString bodySearch;
    bodySearch = "BODY \"problem solved\"";

    // Using OR.  The syntax is OR <criteria1> <criteria2>.
    // The "OR" comes first, followed by each criteria.
    // For example, to match all emails with "Help" or "Question" in the subject.
    // You'll notice that literal strings may be quoted or unquoted.
    // If a literal contains SPACE characters, quote it:
    CkString orSearch;
    orSearch = "OR SUBJECT Help SUBJECT Question";

    // ----------------------------------------------
    // Strings are case-insensitive when searching....
    // ----------------------------------------------

    // Find all emails sent from yahoo.com addresses:
    CkString fromSearch;
    fromSearch = "FROM yahoo.com";
    // Find all emails sent from anyone with "John" in their name:
    CkString johnSearch;
    johnSearch = "FROM John";

    // Find emails with the RECENT flag set:
    CkString recentSearch;
    recentSearch = "RECENT";

    // Find emails that don't have the recent flag set:
    CkString notRecentSearch;
    notRecentSearch = "NOT RECENT";
    // This is synonymous with "OLD":
    CkString oldSearch;
    oldSearch = "OLD";

    // Find all emails marked for deletion:
    CkString markedForDeleteSearch;
    markedForDeleteSearch = "DELETED";

    // Find all emails having a specified header field with a value
    // containing a substring:
    CkString headerSearch;
    headerSearch = "HEADER DomainKey-Signature paypal.com";

    // Find any emails having a specific header field.  If the
    // 2nd argument to the "HEADER" criteria is an empty string,
    // any email having the header field is returned regardless
    // of the header field's content.
    // Find any emails with a DomainKey-Signature field:
    CkString headerExistsSearch;
    headerExistsSearch = "HEADER DomainKey-Signature \"\"";

    // Find NEW emails: these are emails that have the RECENT flag
    // set, but not the SEEN flag:
    CkString newSearch;
    newSearch = "NEW";

    // Find emails larger than a certain number of bytes:
    CkString sizeLargerSearch;
    sizeLargerSearch = "LARGER 500000";

    // Find emails marked as seen or not already seen:
    CkString seenSearch;
    seenSearch = "SEEN";
    CkString notSeenSearch;
    notSeenSearch = "NOT SEEN";

    // Find emails having a given substring in the TO header field:
    CkString toSearch;
    toSearch = "TO support@chilkatsoft.com";
    // A more long-winded way to do the same thing:
    CkString toSearch2;
    toSearch2 = "HEADER TO support@chilkatsoft.com";

    // Find emails smaller than a size in bytes:
    CkString smallerSearch;
    smallerSearch = "SMALLER 30000";

    // Find emails that have a substring anywhere in the header
    // or body:
    CkString fullSubstringSearch;
    fullSubstringSearch = "TEXT \"Zip Component\"";

    // Pass any of the above strings here to test a search:
    messageSet = imap.Search(orSearch,fetchUids);
    if (messageSet == 0 ) {
        printf("%s\n",imap.lastErrorText());
        return;
    }

    // Fetch the email headers into a bundle object:
    CkEmailBundle *bundle = 0;
    bundle = imap.FetchHeaders(*messageSet);
    if (bundle == 0 ) {
        delete messageSet;
        printf("%s\n",imap.lastErrorText());
        return;
    }

    // Display the Subject and From of each email.
    int i;
    for (i = 0; i <= bundle->get_MessageCount() - 1; i++) {
        CkEmail *email = 0;
        email = bundle->GetEmail(i);

        printf("%s\n",email->getHeaderField("Date"));
        printf("%s\n",email->subject());
        printf("%s\n",email->ck_from());
        printf("--\n");

        delete email;
    }

    // Disconnect from the IMAP server.
    imap.Disconnect();

    delete messageSet;
    delete bundle;
    }