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    <p>Your code is not setting up <code>TIdMessage</code> correctly when attachments are present. Try this instead:</p> <pre><code>function easySendEmail( theIdSmtp : TIdSmtp; destEMailAddress : string; theSubject : string; theBody : string; emailServerSettings : TEmailServerSettingsRecord; aryAttachmentFilenames : TDynamicStringArray; connectTimeOut_ms : integer; bUseEHLO : boolean; authLoginType : TAuthenticationType): boolean; var IdMsg: TIdMessage; i: integer; begin destEMailAddress := Trim(destEMailAddress); if destEMailAddress = '' then raise Exception.Create('(TframeEmailServerSettings.easySendEmail) The destination E-mail address is empty.'); theSubject := Trim(theSubject); if theSubject = '' then raise Exception.Create('(TframeEmailServerSettings.easySendEmail) The subject line is empty.'); theBody := Trim(theBody); if theBody = '' then raise Exception.Create('(TframeEmailServerSettings.easySendEmail) The message body is empty.'); IdMsg := TIdMessage.Create(nil); try with emailServerSettings do begin // Build a test message and send it. IdMsg.Recipients.EMailAddresses := destEMailAddress; { Most SMTP servers require the sending E-mail address as the user name for the authentication. However, if we encounter one that doesn't work this way then re-using the authentication user name as the From address will not work. } IdMsg.From.Name := APPLICATION_NAME_EVERMAIL; IdMsg.From.Address := user_name; IdMsg.Subject := theSubject; // Add the attachments. if Length(aryAttachmentFilenames) &gt; 0 then begin with TIdText.Create(IdMsg.MessageParts, nil) do begin Body.Text := 'An HTML viewer is required to see this message'; ContentType := 'text/plain'; end; with TIdText.Create(IdMsg.MessageParts, nil) do begin Body.Text := theBody; ContentType := 'text/html'; end; // Add each attachment. for i := Low(aryAttachmentFilenames) to High(aryAttachmentFilenames) do TIdAttachment.Create(IdMsg.MessageParts, aryAttachmentFilenames[i]); IdMsg.ContentType := 'multipart/mixed'; end else begin IdMsg.Body.Text := theBody; IdMsg.ContentType := 'text/html'; end; // if Length(aryAttachmentFilenames) &gt; 0 then theIdSmtp.Host := host; theIdSmtp.Username := user_name; theIdSmtp.Password := password; theIdSmtp.Port := port_number; // Use EHLO method. theIdSmtp.UseEhlo := true; // Login method of authentication. theIdSmtp.AuthenticationType := atLogin; // Connect to the desired SMTP server. N second time-out. theIdSmtp.Connect(connectTimeOut_ms); try // Send it. theIdSmtp.Send(IdMsg); // If we got here than the test succeeded. Set the flag // indicating the current settings are valid. Result := true; finally theIdSmtp.Disconnect; end; end; // with emailServerSettings do finally IdMsg.Free; end; // try end; </code></pre>
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    1. POAdding attachments to E-mail bound for Evernote E-mail address defeats HTML content type declaration with Indy TIdSMTP component
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    1. USRemy Lebeau
    1. USRemy Lebeau
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    1. POAdding attachments to E-mail bound for Evernote E-mail address defeats HTML content type declaration with Indy TIdSMTP component
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    1. COThanks, that did it. It's amazing how such a subtle thing as sorting the parts by complexity kept my messages from displaying correctly. Just a note to anyone who uses the code above. Do a case sensitive search and replace to change the "body" method parameter to the "theBody", or you will get a compiler error in the second Body.Text property assignment due to the "with" statement surrounding it, because of the name ambiguity between the property and the method parameter since they only vary by case.
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      1. USRobert Oschler
    2. COThe order of the `MessageParts` items is important, because that is how MIME works. MIME-enabled readers start at the last part and work backwards until they find a part they know how to handle, where the plain text on front is the last item tried as a final fallback. This way, MIME-formatted emails can contain multiple representations of the data (in this case, plain text and HTML, but emails are not limited to just that) and let email readers pick which representation they want to process/display.
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      1. USRemy Lebeau
 

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