(Objective-C) Send email using SMTP STARTTLS.

Send email using SMTP STARTTLS. With STARTTLS, the SMTP client connects to the SMTP server on port 25 (non-SSL) and then issues a STARTTLS command to convert the connection to a secure TLS channel.

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#import <CkoMailMan.h>
#import <CkoEmail.h>

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

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

// Set the SMTP server.
mailman.SmtpHost = @"smtp.mymailserver.com";

mailman.SmtpUsername = @"myLogin";
mailman.SmtpPassword = @"myPassword";

mailman.StartTLS = YES;

// Create a new email object
CkoEmail *email = [[CkoEmail alloc] init];

email.Subject = @"This is a test";
email.Body = @"This is a test";
email.From = @"Chilkat Support <support@chilkatsoft.com>";
BOOL success = [email AddTo: @"Chilkat Admin" emailAddress: @"admin@chilkatsoft.com"];

success = [mailman SendEmail: email];
if (success != YES) {
    NSLog(@"%@",mailman.LastErrorText);
    return;
}

success = [mailman CloseSmtpConnection];
if (success != YES) {
    NSLog(@"%@",@"Connection to SMTP server not closed cleanly.");
}

NSLog(@"%@",@"Mail Sent!");