C#

public static void
SendEmail
(
    string               Sender
,
    string               Recipient
,
    string               Subject
,
    string               Body
,
    string               SmtpServer
,
    System.IO.FileInfo[] Files
)
{
    System.Net.Mail.MailMessage msg = new System.Net.Mail.MailMessage ( Sender , Recipient ) ;

    if ( Files != null )
    {
        System.Text.StringBuilder temp = new System.Text.StringBuilder ( Body ) ;

        temp.Append ( string.Format
        (
            "\n\n{0} attached file{1}:"
        ,
            Files.Length
        ,
            Files.Length==1?"":"s"
        ) ) ;

        foreach ( System.IO.FileInfo att in Files )
        {
            if ( att != null )
            {
                temp.Append ( "\n" + att.Name ) ;

                if ( att.Exists )
                {
                    msg.Attachments.Add ( new System.Net.Mail.Attachment ( att.FullName ) ) ;
                }
                else
                {
                    temp.Append ( " -- does not exist!" ) ;
                }
            }
        }

        Body = temp.ToString() ;
    }

    msg.Subject = Subject ;
    msg.Body    = Body ;

    System.Net.Mail.SmtpClient cl = new System.Net.Mail.SmtpClient ( SmtpServer ) ;
    cl.Credentials = System.Net.CredentialCache.DefaultNetworkCredentials ;
    cl.Send ( msg ) ;
}

Brad Wick wrote:

Do you use this on a exchange server?

Brad Wick wrote:

It appears you might be passing the mail.domain.com for what it should login with.