Half the time I try to send emails I have written (Outlook 2007) I get the following error message: SendMail () = 0 then ShowMessage ( 'email was sent successfully!' ) else ShowMessage ( 'failed to send email with the following error: ' + oSmtp. Password := 'your password or app password' ShowMessage ( 'start to send email. UserName := // If you got authentication error, try to create an app password instead of your user password. ConnectType := ConnectSSLAuto // user authentication should use your // email address as the user name. ServerPort := 587 // detect SSL/TLS automatically oSmtp. BodyText := 'this is a test email sent from Delphi using office 365' // Your Office 365 SMTP server address, // You should get it from outlook web access. Subject := 'simple email from office 365 account' // Set email body oSmtp. AddRecipientEx (, 0 ) // Set email subject oSmtp. FromAddr := // Add recipient email address oSmtp. LicenseCode := 'TryIt' // Your Office 365 email address oSmtp.

Button1Click ( Sender : TObject ) var oSmtp : TMail begin oSmtp := TMail. Unit Unit1 interface uses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, StdCtrls, EASendMailObjLib_TLB // add EASendMail unit type TForm1 = class ( TForm ) Button1 : TButton procedure Button1Click ( Sender : TObject ) private procedure TForm1. Delphi - Sample Projects for SMTP, SSL, TLS, Embedded Images, S/MIME, EWS, Email Queue.Send Email with Exchange WebDAV in Delphi.Manage Send As Permissions in Exchange 2007/2010/2013.Send Email with Exchange Web Service - EWS in Delphi.Send Mass Emails using Database Queue in Delphi.Send Email with Multiple Threads(Mass Mail) in Delphi.Encrypt Email in Delphi - S/MIME with RC2, 3DES and RSAES-OAEP.

Send Email with Digital Signature in Delphi - S/MIME with SHA1, SHA256 and SHA512.

Send Email with Embedded Images in Delphi.Send Email directly without SMTP server(MX DNS lookup) in Delphi.App Password and SmtpClientAuthenticationDisabled.Send Email using Hotmail/Live/Outlook/Office 365 in Delphi.SMTP Setting for Gmail, Yahoo, Hotmail and Office 365.Process Bounced Email (Non-Delivery Report).“No supported authentication marshal found!”.“5xx Must issue a STARTTLS command first”.“5xx … IP address block or on black list or bad reputation” Exception.Using Telnet to detect networking connection to SMTP server.Common “Networking Connection” Exception.

Email Address Syntax and Multiple Recipients.

Where can I get my SMTP email server address, user and password?.

Hotmail smtp not working