(Objective-C) Convert HTML Web Page to Email and Send

Converts an HTML page at a URL into an email with embedded images and sends it.

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

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

CkoMailMan *mailman = [[CkoMailMan alloc] init];

// The MHT component can be used to convert an HTML page
// from a URL, file, or in-memory HTML into an email
// with embedded images and style sheets.
CkoMht *mht = [[CkoMht alloc] init];

CkoEmail *email = [[CkoEmail alloc] init];

// There are two ways of embedding images in emails: with CIDs
// and without.  When using CIDs, the IMG SRC attributes use
// urls that begin with "cid:" and the corresponding image
// embedded within the email includes a Content-ID header field.
// When not using CIDs, the IMG SRC attribute can have a URL,
// path, etc. and the corresponding image embedded within
// the email has a matching Content-Location header field.

// When testing with GMail, if CIDs are used the email will
// be displayed with images blocked (by default) unless
// the user allows them to be displayed.  Without CIDs,
// the images are automatically displayed.

// When testing with Eudora, Mozilla Thunderbird, and Outlook Express, 
// embedded images display correctly with our without CIDs.

// When testing with Yahoo! Mail, embedded images display OK.
// However, the Yahoo! Mail user has the option of blocking
// images.  If this is turned on, the CID images will still 
// display correctly even though images are blocked.  Why?
// It's because when viewing the email there is no external
// HTTP request to fetch an image.  Therefore, a spammer 
// cannot get an indication that you've read the email. 
// However, if CIDs are not used, the images are blocked by 
// any Yahoo! Mail user that has image blocking turned on --
// even though the images are embedded.

// I haven't tested Hotmail yet...
// Regardless, there is no perfect solution.  If CIDs are used,
// GMail users may block your embedded images, if CIDs are not
// used, Yahoo! Mail users may block your embedded images.

// I recommend setting using CIDs.  This is what Mozilla Thunderbird
// does by default, and it's the more clear an unambiguous way
// to indicate that images are indeed embedded.
mht.UseCids = YES;

NSString *emlStr = [mht GetEML: @"http://www.bonairefishing.com/"];
if (mht.LastMethodSuccess != YES) {
    NSLog(@"%@",mht.LastErrorText);
    return;
}

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

email.Subject = @"Test HTML email";

// This example is tested in:
// Outlook 2000, Eudora 7, Mozilla Thunderbird 1.5.0.9, Outlook Express 6, GMail, Yahoo Mail
success = [email AddTo: @"Chilkat Support" emailAddress: @"support@chilkatsoft.com"];

// Note: Chilkat does not regularly check our GMail and Yahoo
// email accounts.  Please send support email to support@chilkatsoft.com
success = [email AddTo: @"Chilkat on Yahoo" emailAddress: @"chilkat_software@yahoo.com"];
success = [email AddTo: @"Chilkat on GMail" emailAddress: @"chilkat.support@gmail.com"];

email.From = @"chilkat@live.com";

// Send email using smtp.live.com
mailman.SmtpHost = @"smtp.live.com";
mailman.SmtpUsername = @"chilkat@live.com";
mailman.SmtpPassword = @"myPassword";
mailman.SmtpPort = [NSNumber numberWithInt:587];
mailman.StartTLS = YES;

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

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

NSLog(@"%@",@"HTML Email Sent!");