Objective-C

Set Uncommon Email Options

Demonstrates the Chilkat Email.UncommonOptions property, a catch-all for uncommon needs. It defaults to the empty string and should typically remain empty. Recognized keywords include NoBccHeader (do not add the Bcc MIME header for BCC addresses — which must be set before calling AddBcc or AddMultipleBcc) and NO_FORMAT_FLOWED (do not automatically add format=flowed to a Content-Type header). This example sets NoBccHeader.

Background: Long-lived libraries accumulate rare, situational tweaks that do not each deserve their own property. Chilkat gathers these into a single keyword-driven UncommonOptions string. NoBccHeader is a good example: normally a Bcc header is generated (and stripped at send time), but certain workflows want it omitted entirely. Only documented keywords have any effect — unrecognized text is ignored — so leave this empty unless a specific compatibility need arises.

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Objective-C

#import <CkoEmail.h>

//  Demonstrates the Email.UncommonOptions property, a catch-all for uncommon needs.
//  It defaults to empty and should usually remain empty.  Recognized keywords include
//  "NoBccHeader" (do not add the Bcc MIME header) and "NO_FORMAT_FLOWED".

CkoEmail *email = [[CkoEmail alloc] init];
email.Subject = @"UncommonOptions example";
email.From = @"alice@example.com";

//  Do not add the Bcc MIME header for BCC recipients.  This keyword must be set
//  before calling AddBcc or AddMultipleBcc.
email.UncommonOptions = @"NoBccHeader";

[email AddBcc: @"Joe" emailAddress: @"joe@example.com"];

NSLog(@"%@%@",@"UncommonOptions = ",email.UncommonOptions);