(Objective-C) Delete IMAP Email

To delete an email, the "Deleted" flag must be set to 1 for each message to be deleted. You must also call Expunge or ExpungeAndClose to remove the emails marked as deleted.

Note: This example requires Chilkat v11.0.0 or greater.

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#import <CkoImap.h>
#import <CkoMessageSet.h>

BOOL success = NO;

// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

// This example deletes email matching a criteria from Inbox.
CkoImap *imap = [[CkoImap alloc] init];

// Turn on session logging:
imap.KeepSessionLog = YES;

// Connect to an IMAP server.
// Use TLS
imap.Ssl = YES;
imap.Port = [NSNumber numberWithInt:993];
success = [imap Connect: @"imap.example.com"];
if (success == NO) {
    NSLog(@"%@",imap.LastErrorText);
    return;
}

// Login
success = [imap Login: @"myLogin" password: @"myPassword"];
if (success == NO) {
    NSLog(@"%@",imap.LastErrorText);
    return;
}

// Select an IMAP mailbox
success = [imap SelectMailbox: @"Inbox"];
if (success == NO) {
    NSLog(@"%@",imap.LastErrorText);
    return;
}

BOOL fetchUids = YES;
// Get the message IDs for all emails having "FTP2" in the subject.
CkoMessageSet *messageSet = [[CkoMessageSet alloc] init];
success = [imap QueryMbx: @"SUBJECT FTP2" bUid: fetchUids msgSet: messageSet];
if (success == NO) {
    NSLog(@"%@",imap.LastErrorText);
    return;
}

// Set the Deleted flag for each message:
success = [imap SetFlags: messageSet flagName: @"Deleted" value: [NSNumber numberWithInt: 1]];
if (success == NO) {
    NSLog(@"%@",imap.LastErrorText);
    return;
}

// Expunge and close the mailbox.
success = [imap ExpungeAndClose];
if (success == NO) {
    NSLog(@"%@",imap.LastErrorText);
    return;
}

// Display the session log.
NSLog(@"%@",imap.SessionLog);

// Disconnect from the IMAP server.
success = [imap Disconnect];