(Objective-C) Access Attached Message (Embedded Email)

How to access an email embedded within another email (i.e. an attached message).

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

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#import <CkoEmail.h>

BOOL success = NO;

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

// Load an email from a .eml
success = [email LoadEml: @"embeddedEmail.eml"];
if (success == NO) {
    NSLog(@"%@",email.LastErrorText);
    return;
}

// Display how many attached emails are embedded within
// this one:
int numAttached = [email.NumAttachedMessages intValue];
NSLog(@"%@%d",@"numAttached = ",numAttached);

// Get the 1st attached message.
CkoEmail *email2 = [[CkoEmail alloc] init];
success = [email GetAttachedEmail: [NSNumber numberWithInt: 0] email: email2];
if (success == YES) {

    // Display the subject, From, and a header field...
    NSLog(@"%@",email2.Subject);
    NSLog(@"%@",email2.From);
    NSLog(@"%@",[email2 GetHeaderField: @"X-SOMETHING"]);
}