Delphi DLL

Save an Email to a .eml File

Demonstrates the Chilkat Email.SaveEml method, which converts the email object to EML and saves it to a file. An EML file contains the complete RFC822/MIME message — headers, bodies, related items, and attachments. This example builds a message and saves it.

Background: Saving as .eml writes the message in the universal MIME format that virtually every mail client can open, making it ideal for archiving, sharing, or handing a message to another program. It is the counterpart to LoadEml. A saved .eml also retains Chilkat's CKX- metadata headers (a way to store your own metadata with the email; they are always stripped before an email is sent), so .eml is the recommended way to persist a message even within Chilkat-based software. A separate Chilkat XML format (SaveXml) exists as an alternative, but offers no metadata advantage over .eml.

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var
success: Boolean;
email: HCkEmail;

begin
success := False;

//  Demonstrates the SaveEml method, which converts the email object to EML and saves it to
//  a file.  An EML file contains the complete RFC822/MIME message, including headers,
//  bodies, related items, and attachments.

email := CkEmail_Create();
CkEmail_putSubject(email,'Save as EML');
CkEmail_putFrom(email,'alice@example.com');
CkEmail_AddTo(email,'Bob','bob@example.com');
CkEmail_putBody(email,'Hello, this message will be saved as a .eml file.');

//  Save the email to a .eml file.
success := CkEmail_SaveEml(email,'qa_output/message.eml');
if (success = False) then
  begin
    Memo1.Lines.Add(CkEmail__lastErrorText(email));
    Exit;
  end;

Memo1.Lines.Add('Saved to message.eml.');

//  Note: The path "qa_output/..." is a relative local filesystem path,
//  relative to the current working directory of the running application.

CkEmail_Dispose(email);