Send Email using Hotmail/Live/Outlook/Office 365 in VB.NET¶

Imports EASendMail 'Add EASendMail namespace

Module Module1

    Sub Main()

        Try
            Dim oMail As New SmtpMail("TryIt")

            ' Your hotmail email address
            oMail.From = "liveid@hotmail.com"
            ' Set recipient email address, please change it to yours
            oMail.To = "support@emailarchitect.net"

            ' Set email subject
            oMail.Subject = "test email from hotmail account"
            ' Set email body
            oMail.TextBody = "this is a test email sent from VB.NET project with hotmail"

            ' Hotmail SMTP server address
            Dim oServer As New SmtpServer("smtp.office365.com")

            ' Hotmail user authentication should use your
            ' email address as the user name.
            oServer.User = "liveid@hotmail.com"

            ' If you got authentication error, try to create an app password instead of your user password.
            ' https://support.microsoft.com/en-us/account-billing/using-app-passwords-with-apps-that-don-t-support-two-step-verification-5896ed9b-4263-e681-128a-a6f2979a7944
            oServer.Password = "your password or app password"

            ' set 587 port, if you want to use 25 port, please change 587 to 25
            oServer.Port = 587

            ' detect SSL/TLS connection automatically
            oServer.ConnectType = SmtpConnectType.ConnectSSLAuto

            Console.WriteLine("start to send email over SSL ...")

            Dim oSmtp As New SmtpClient()
            oSmtp.SendMail(oServer, oMail)

            Console.WriteLine("email was sent successfully!")
        Catch ep As Exception
            Console.WriteLine("failed to send email with the following error:")
            Console.WriteLine(ep.Message)
        End Try

    End Sub

End Module

Imports EASendMail 'Add EASendMail namespace

Module Module1

    Sub Main()

        Try
            Dim oMail As New SmtpMail("TryIt")
            ' Your office 365 email address
            oMail.From = "myid@mydomain"
            ' Set recipient email address, please change it to yours
            oMail.To = "support@emailarchitect.net"

            ' Set email subject
            oMail.Subject = "test email from office 365 account"
            ' Set email body
            oMail.TextBody = "this is a test email sent from VB.NET project with hotmail"

            ' Your Office 365 SMTP server address,
            Dim oServer As New SmtpServer(" smtp.office365.com")

            ' user authentication should use your
            ' email address as the user name.
            oServer.User = "myid@mydomain"

            ' If you got authentication error, try to create an app password instead of your user password.
            ' https://support.microsoft.com/en-us/account-billing/using-app-passwords-with-apps-that-don-t-support-two-step-verification-5896ed9b-4263-e681-128a-a6f2979a7944
            oServer.Password = "your password or app password"

            ' Set 587 port
            oServer.Port = 587

            ' detect SSL/TLS connection automatically
            oServer.ConnectType = SmtpConnectType.ConnectSSLAuto

            Console.WriteLine("start to send email over SSL ...")

            Dim oSmtp As New SmtpClient()
            oSmtp.SendMail(oServer, oMail)

            Console.WriteLine("email was sent successfully!")
        Catch ep As Exception
            Console.WriteLine("failed to send email with the following error:")
            Console.WriteLine(ep.Message)
        End Try

    End Sub

End Module