Sample code for 30+ languages & platforms
Objective-C

POP3 STARTTLS

Demonstrates how to do POP3 STARTTLS.

Chilkat Objective-C Downloads

Objective-C
#import <CkoMailMan.h>
#import <CkoEmailBundle.h>
#import <CkoEmail.h>

BOOL success = NO;

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

// The mailman object is used for receiving (POP3) 
// and sending (SMTP) email.
CkoMailMan *mailman = [[CkoMailMan alloc] init];

// Set the POP3 server's hostname
mailman.MailHost = @"pop.gmail.com";

// Set the POP3 login/password.
mailman.PopUsername = @"****@gmail.com";
mailman.PopPassword = @"****";

// Indicate that we want TLS/SSL.  Also, set the port to 995:
mailman.MailPort = [NSNumber numberWithInt:995];
mailman.PopSsl = YES;

CkoEmailBundle *bundle = [[CkoEmailBundle alloc] init];
BOOL keepOnServer = YES;
BOOL headersOnly = NO;
// Irrelevent because we are NOT downloading headers-only
int numBodyLines = 0;
success = [mailman FetchAll: keepOnServer headersOnly: headersOnly numBodyLines: [NSNumber numberWithInt: numBodyLines] bundle: bundle];
if (success == NO) {
    NSLog(@"%@",mailman.LastErrorText);
    return;
}

CkoEmail *email = [[CkoEmail alloc] init];
int i = 0;
while (i < [bundle.MessageCount intValue]) {
    [bundle EmailAt: [NSNumber numberWithInt: i] email: email];

    // Display the From email address and the subject.
    NSLog(@"%@%@",@"From: ",email.From);
    NSLog(@"%@%@",@"Subject: ",email.Subject);
    i = i + 1;
}