MailMessage Class (System.Web.Mail)

.NET Framework Class Library

MailMessage Class

NOTE: This API is now obsolete.

Provides properties and methods for constructing an e-mail message. Recommended alternative: System.Net.Mail.

Namespace: System.Web.Mail
Assembly: System.Web (in System.Web.dll)

Syntax

Visual Basic (Declaration)

<ObsoleteAttribute("The recommended alternative is System.Net.Mail.MailMessage. http://go.microsoft.com/fwlink/?linkid=14202")> _
<AspNetHostingPermissionAttribute(SecurityAction.LinkDemand, Level := AspNetHostingPermissionLevel.Minimal)> _
<AspNetHostingPermissionAttribute(SecurityAction.InheritanceDemand, Level := AspNetHostingPermissionLevel.Minimal)> _
Public Class MailMessage

Visual Basic (Usage)

Dim instance As MailMessage

[ObsoleteAttribute("The recommended alternative is System.Net.Mail.MailMessage. http://go.microsoft.com/fwlink/?linkid=14202")]
[AspNetHostingPermissionAttribute(SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
[AspNetHostingPermissionAttribute(SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
public class MailMessage

Visual C++

[ObsoleteAttribute(L"The recommended alternative is System.Net.Mail.MailMessage. http://go.microsoft.com/fwlink/?linkid=14202")]
[AspNetHostingPermissionAttribute(SecurityAction::LinkDemand, Level = AspNetHostingPermissionLevel::Minimal)]
[AspNetHostingPermissionAttribute(SecurityAction::InheritanceDemand, Level = AspNetHostingPermissionLevel::Minimal)]
public ref class MailMessage

JScript

public class MailMessage

Examples

The following example shows how to use the MailMessage class.

Security Note:
This control has a text box that accepts user input, which is a potential security threat. By default, ASP.NET Web pages validate that user input does not include script or HTML elements. For more information, see Script Exploits Overview.

Visual Basic

<%-- 
This example shows how to send a mail message from a Web Forms page 
using the classes in the System.Web.Mail namespace.
--%>

<%@ IMPORT namespace="System.Web.Mail" %>


<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script language="VB" runat="server">
    Sub Page_Load()
        If Not IsPostBack Then
            lblMsg1.Text = ""
            txtTo.Text = "john@contoso.com"
            txtFrom.Text = "marsha@contoso.com"
            txtCc.Text = "fred@contoso.com"
            txtBcc.Text = "wilma@contoso.com"
            txtSubject.Text = "Hello"
            txtBody.Text = "This is a test message."
            txtAttach.Text = "C:\Documents and Settings\All Users\Documents\My Pictures\Sample Pictures\Sunset.jpg," _
               & "C:\Documents and Settings\All Users\Documents\My Pictures\Sample Pictures\Winter.jpg"
            txtBodyEncoding.Text = Encoding.ASCII.EncodingName
            txtBodyFormat.Text = "HTML"
            txtPriority.Text = "Normal"
            txtUrlContentBase.Text = "http://www.contoso.com/images"
            txtUrlContentLocation.Text = "http://www.contoso.com/images"
            ' Name of relay mail server in your domain.
            txtMailServer.Text = "smarthost" '
        End If
    End Sub

    Sub btnSubmit_Click(ByVal sender As Object, ByVal e As EventArgs)
        Dim sTo As String, sFrom As String, sSubject As String, sBody As String
        Dim sAttach As String, sCc As String, sBcc As String, sBodyEncoding As String
        Dim sBodyFormat As String, sMailServer As String, sPriority As String
        Dim sUrlContentBase As String, sUrlContentLocation As String
        Dim iLoop1 As Integer

        sTo = Trim(txtTo.Text)
        sFrom = Trim(txtFrom.Text)
        sSubject = Trim(txtSubject.Text)
        sBody = Trim(txtBody.Text)
        sAttach = Trim(txtAttach.Text)
        sCc = Trim(txtCc.Text)
        sBcc = Trim(txtBcc.Text)
        sBodyFormat = Trim(txtBodyFormat.Text)
        sBodyEncoding = Trim(txtBodyEncoding.Text)
        sPriority = Trim(txtPriority.Text)
        sUrlContentBase = Trim(txtUrlContentBase.Text)
        sUrlContentLocation = Trim(txtUrlContentLocation.Text)
        sMailServer = Trim(txtMailServer.Text)

        Dim MyMail As MailMessage = New MailMessage()
        MyMail.From = sFrom
        MyMail.To = sTo
        MyMail.Subject = sSubject
        MyMail.Body = sBody
        MyMail.Cc = sCc
        MyMail.Bcc = sBcc
        MyMail.UrlContentBase = sUrlContentBase
        MyMail.UrlContentLocation = sUrlContentLocation

        Select Case txtBodyEncoding.Text
            Case Encoding.UTF7.EncodingName : MyMail.BodyEncoding = Encoding.UTF7
            Case Encoding.UTF8.EncodingName : MyMail.BodyEncoding = Encoding.UTF8
            Case Else : MyMail.BodyEncoding = Encoding.ASCII
        End Select

        Select Case UCase(sBodyFormat)
            Case "HTML" : MyMail.BodyFormat = MailFormat.Html
            Case Else : MyMail.BodyFormat = MailFormat.Text
        End Select

        Select Case UCase(sPriority)
            Case "HIGH" : MyMail.Priority = MailPriority.High
            Case "LOW" : MyMail.Priority = MailPriority.Low
            Case Else : MyMail.Priority = MailPriority.Normal
        End Select

        ' Build an IList of mail attachments.
        If sAttach <> "" Then
            Dim delim As Char = ","
            Dim sSubstr As String
            For Each sSubstr In sAttach.Split(delim)
                Dim myAttachment As MailAttachment = New MailAttachment(sSubstr)
                MyMail.Attachments.Add(myAttachment)
            Next
        End If

        SmtpMail.SmtpServer = sMailServer
        SmtpMail.Send(MyMail)

        lblMsg1.Text = "VB Message sent to " & MyMail.To
    End Sub

    Sub btnClear_Click(ByVal sender As Object, ByVal e As EventArgs)
        lblMsg1.Text = ""
        txtTo.Text = ""
        txtFrom.Text = ""
        txtSubject.Text = ""
        txtBody.Text = ""
        txtAttach.Text = ""
        txtBcc.Text = ""
        txtCc.Text = ""
        txtBodyEncoding.Text = ""
        txtBodyFormat.Text = ""
        txtPriority.Text = ""
        txtUrlContentBase.Text = ""
        txtUrlContentLocation.Text = ""
        txtMailServer.Text = ""
        btnSubmit.Text = "Submit"
    End Sub
</script>
<html  >
    <head>
    <title>Send a new mail message:</title>
</head>
    <body>
   <h4>Send a new mail message:</h4>
   <form id="form1" method="Post" action="MailForm.aspx" runat="server">
      <table style="width:350; background-color:#FFFF99">
         <tr>
            <td align="Right"><b>To:</b></td>
            <td><Asp:Textbox id="txtTo" runat="server"/></td>
         </tr>
         <tr>
            <td align="Right"><b>From:</b></td>
            <td><Asp:Textbox id="txtFrom" runat="server"/></td>
         </tr>
         <tr>
            <td align="Right"><b>Subject:</b></td>
            <td><Asp:Textbox id="txtSubject" runat="server"/></td>
         </tr>
         <tr>
            <td align="Right"><b>MessageBody:</b></td>
            <td><Asp:Textbox id="txtBody" runat="server"/></td>
         </tr>
         <tr>
            <td align="Right"><b>Attachments:</b></td>
            <td><Asp:Textbox id="txtAttach" runat="server"/></td>
         </tr>
         <tr>
            <td align="Right"><b>CC:</b></td>
            <td><Asp:Textbox id="txtBcc" runat="server"/></td>
         </tr>
         <tr>
            <td align="Right"><b>BCC:</b></td>
            <td><Asp:Textbox id="txtCc" runat="server"/></td>
         </tr>
         <tr>
            <td align="Right"><b>BodyEncoding:</b></td>
            <td><Asp:Textbox id="txtBodyEncoding" runat="server"/></td>
         </tr>
         <tr>
            <td align="Right"><b>BodyFormat:</b></td>
            <td><Asp:Textbox id="txtBodyFormat" runat="server"/></td>
         </tr>
         <tr>
            <td align="Right"><b>Priority:</b></td>
            <td><Asp:Textbox id="txtPriority" runat="server"/></td>
         </tr>
         <tr>
            <td align="Right"><b>URL Content Base:</b></td>
            <td><Asp:Textbox id="txtUrlContentBase" runat="server"/></td>
         </tr>
         <tr>
            <td align="Right"><b>URL Content Location:</b></td>
            <td><Asp:Textbox id="txtUrlContentLocation" runat="server"/></td>
         </tr>
         <tr>
            <td align="Right"><b>Mail Server:</b></td>
            <td><Asp:Textbox id="txtMailServer" runat="server"/></td>
         </tr>
      </table><br />

      <asp:button id="btnSubmit" Text="Submit" OnClick="btnSubmit_Click" runat="server"/>
      <asp:button id="btnClear" Text="Clear" OnClick="btnClear_Click" runat="server"/>
      <p><asp:Label id="lblMsg1" runat="server"/></p>
   </form>
   </body>
</html>

<%-- 
This example shows how to send a mail message from a Web Forms page
using the classes in the System.Web.Mail namespace.
--%>

<%@ IMPORT namespace="System.Web.Mail" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script language="C#" runat="server">
  void Page_Load()
  {
     if (!IsPostBack)
     {
        txtTo.Text="john@contoso.com";
        txtFrom.Text="marsha@contoso.com";
        txtCc.Text="fred@contoso.com";
        txtBcc.Text="wilma@contoso.com";
        txtSubject.Text="Hello";
        txtBody.Text="This is a test message.";
        txtAttach.Text=@"C:\Documents and Settings\All Users\Documents\My Pictures\Sample Pictures\Sunset.jpg,"
           + @"C:\Documents and Settings\All Users\Documents\My Pictures\Sample Pictures\Winter.jpg";
    txtBodyEncoding.Text = Encoding.ASCII.EncodingName;
    txtBodyFormat.Text="HTML";
    txtPriority.Text="Normal";
    txtUrlContentBase.Text="http://www.contoso.com/images";
    txtUrlContentLocation.Text="http://www.contoso.com/images";
        // Name of relay mail server in your domain.
    txtMailServer.Text="smarthost";
     }
  }

  void btnSubmit_Click(Object sender, EventArgs e)
  {
     string sTo, sFrom, sSubject, sBody;
     string sAttach, sCc, sBcc, sBodyEncoding;
     string sBodyFormat, sMailServer, sPriority;
     string sUrlContentBase, sUrlContentLocation;
 int iLoop1;

 sTo = txtTo.Text.Trim();
 sFrom = txtFrom.Text.Trim();
 sSubject = txtSubject.Text.Trim();
 sBody = txtBody.Text.Trim();
 sAttach = txtAttach.Text.Trim();
 sCc = txtCc.Text.Trim();
 sBcc = txtBcc.Text.Trim();
 sBodyFormat = txtBodyFormat.Text.Trim();
 sBodyEncoding = txtBodyEncoding.Text.Trim();
 sPriority = txtPriority.Text.Trim();
 sUrlContentBase = txtUrlContentBase.Text.Trim();
 sUrlContentLocation = txtUrlContentLocation.Text.Trim();
 sMailServer = txtMailServer.Text.Trim();

 MailMessage MyMail = new MailMessage();
 MyMail.From = sFrom;
 MyMail.To = sTo;
 MyMail.Subject = sSubject;
 MyMail.Body = sBody;
 MyMail.Cc = sCc;
 MyMail.Bcc = sBcc;
 MyMail.UrlContentBase = sUrlContentBase;
 MyMail.UrlContentLocation = sUrlContentLocation;

     if (txtBodyEncoding.Text == Encoding.UTF7.EncodingName)
        MyMail.BodyEncoding = Encoding.UTF7;
     else if (txtBodyEncoding.Text == Encoding.UTF8.EncodingName)
        MyMail.BodyEncoding = Encoding.UTF8;
     else
        MyMail.BodyEncoding = Encoding.ASCII;

 switch (sBodyFormat.ToUpper())
     {
        case "HTML": 
           MyMail.BodyFormat = MailFormat.Html;
           break;
        default: 
           MyMail.BodyFormat = MailFormat.Text;
           break;
     }

     switch (sPriority.ToUpper())
     {
        case "HIGH": 
           MyMail.Priority = MailPriority.High;
           break;
        case "LOW": 
           MyMail.Priority = MailPriority.Low;
           break;
        default: 
           MyMail.Priority = MailPriority.Normal;
           break;
     }

     // Build an IList of mail attachments.
     if (sAttach != "")
     {
        char[] delim = new char[] {','};
        foreach (string sSubstr in sAttach.Split(delim))
        {
           MailAttachment MyAttachment = new MailAttachment(sSubstr);
           MyMail.Attachments.Add(MyAttachment);
        }
     }

     SmtpMail.SmtpServer = sMailServer;
 SmtpMail.Send(MyMail);
 lblMsg1.Text="C# Message sent to " + MyMail.To;
  }

  void btnClear_Click(Object sender, EventArgs e)
  {
     lblMsg1.Text="";
     txtTo.Text="";
     txtFrom.Text="";
     txtSubject.Text="";
     txtBody.Text="";
     txtAttach.Text="";
     txtBcc.Text="";
     txtCc.Text="";
 txtBodyEncoding.Text="";
 txtBodyFormat.Text="";
 txtPriority.Text="";
 txtUrlContentBase.Text="";
 txtUrlContentLocation.Text="";
 txtMailServer.Text="";
     btnSubmit.Text="Submit";
  }
</script>
<html >
<head runat="server">
    <title>Mail Form Example</title>
</head>
<body>

   <h4>Send a new mail message:</h4>
   <form id="form1" method="Post" action="MailForm.aspx" runat="server">
      <table style="width:350; background-color:#FFFF99">
         <tr>
            <td align="Right"><b>To:</b></td>
            <td><Asp:Textbox id="txtTo" runat="server"/></td>
         </tr>
         <tr>
            <td align="Right"><b>From:</b></td>
            <td><Asp:Textbox id="txtFrom" runat="server"/></td>
         </tr>
         <tr>
            <td align="Right"><b>Subject:</b></td>
            <td><Asp:Textbox id="txtSubject" runat="server"/></td>
         </tr>
         <tr>
            <td align="Right"><b>MessageBody:</b></td>
            <td><Asp:Textbox id="txtBody" runat="server"/></td>
         </tr>
         <tr>
            <td align="Right"><b>Attachments:</b></td>
            <td><Asp:Textbox id="txtAttach" runat="server"/></td>
         </tr>
         <tr>
            <td align="Right"><b>CC:</b></td>
            <td><Asp:Textbox id="txtBcc" runat="server"/></td>
         </tr>
         <tr>
            <td align="Right"><b>BCC:</b></td>
            <td><Asp:Textbox id="txtCc" runat="server"/></td>
         </tr>
         <tr>
            <td align="Right"><b>BodyEncoding:</b></td>
            <td><Asp:Textbox id="txtBodyEncoding" runat="server"/></td>
         </tr>
         <tr>
            <td align="Right"><b>BodyFormat:</b></td>
            <td><Asp:Textbox id="txtBodyFormat" runat="server"/></td>
         </tr>
         <tr>
            <td align="Right"><b>Priority:</b></td>
            <td><Asp:Textbox id="txtPriority" runat="server"/></td>
         </tr>
         <tr>
            <td align="Right"><b>URL Content Base:</b></td>
            <td><Asp:Textbox id="txtUrlContentBase" runat="server"/></td>
         </tr>
         <tr>
            <td align="Right"><b>URL Content Location:</b></td>
            <td><Asp:Textbox id="txtUrlContentLocation" runat="server"/></td>
         </tr>
         <tr>
            <td align="Right"><b>Mail Server:</b></td>
            <td><Asp:Textbox id="txtMailServer" runat="server"/></td>
         </tr>
      </table><br />

      <asp:button id="btnSubmit" Text="Submit" OnClick="btnSubmit_Click" runat="server"/>
      <asp:button id="btnClear" Text="Clear" OnClick="btnClear_Click" runat="server"/>
      <p><asp:Label id="lblMsg1" runat="server"/></p>
   </form>
   </body>
</html>

Inheritance Hierarchy

System..::.Object
System.Web.Mail..::.MailMessage

Thread Safety

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

Platforms

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

Version Information

.NET Framework

Supported in: 1.1, 1.0
Obsolete (compiler warning) in 3.5
Obsolete (compiler warning) in 3.5 SP1
Obsolete (compiler warning) in 3.0
Obsolete (compiler warning) in 3.0 SP1
Obsolete (compiler warning) in 3.0 SP2
Obsolete (compiler warning) in 2.0
Obsolete (compiler warning) in 2.0 SP1
Obsolete (compiler warning) in 2.0 SP2

Reference

MailMessage Members

System.Web.Mail Namespace