(IOS) Read POP3 Mail Headers

Reads the header for each email in a POP3 mailbox and display the FROM and SUBJECT header fields.

Download: Chilkat IOS (IPhone) Objective-C Libraries

NSMutableString *strOutput = [NSMutableString stringWithCapacity:1000];

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

//  Any string argument automatically begins the 30-day trial.
BOOL success;
success = [mailman UnlockComponent: @"30-day trial"];
if (success != YES) {
    [strOutput appendString: @"Component unlock failed"];
    [strOutput appendString: @"\n"];
    self.mainTextField.stringValue = strOutput;
    return;
}

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

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

CkoEmailBundle *bundle;
//  Read mail headers and one line of the body.
bundle = [mailman GetAllHeaders: [NSNumber numberWithInt: 1]];

if (bundle == nil ) {
    [strOutput appendString: mailman.LastErrorText];
    [strOutput appendString: @"\n"];
    self.mainTextField.stringValue = strOutput;
    return;
}

int i;
CkoEmail *email;
for (i = 0; i <= [bundle.MessageCount intValue] - 1; i++) {
    email = [bundle GetEmail: [NSNumber numberWithInt: i]];

    //  Display the From email address and the subject.
    [strOutput appendString: email.From];
    [strOutput appendString: @"\n"];
    [strOutput appendFormat: @"%s\n\n",[email.Subject UTF8String]];

}



self.mainTextField.stringValue = strOutput;