The specified string is not in the form required for an e-mail address.

HI, i get the above error, could some help me debug it please, the error i am getting is below

The specified string is not in the form required for an e-mail address.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.FormatException: The specified string is not in the form required for an e-mail address.

Source Error:


Line 11:     Private Sub Sendmail(ByVal from As String, ByVal body As String)
Line 12:         Dim mailservername As String = "mail"
Line 13:         Dim message As MailMessage = New MailMessage(from, "me@me.co.uk", "feedback", body)
Line 14:         Dim mailclient As SmtpClient = New SmtpClient
Line 15:
 

Source File: C:\Documents and Settings\Danny.DESBOROUGH\Desktop\charta\Enquire.aspx.vb    Line: 13

Stack Trace:


[FormatException: The specified string is not in the form required for an e-mail address.]
   System.Net.Mime.MailBnfHelper.ReadMailAddress(String data, Int32& offset, String& displayName) +1334
   System.Net.Mail.MailAddress.ParseValue(String address) +246
   System.Net.Mail.MailAddress..ctor(String address, String displayName, Encoding displayNameEncoding) +78
   System.Net.Mail.Message..ctor(String from, String to) +108
   System.Net.Mail.MailMessage..ctor(String from, String to) +111
   System.Net.Mail.MailMessage..ctor(String from, String to, String subject, String body) +14
   Contact.Sendmail(String from, String body) in C:\Documents and Settings\Danny.DESBOROUGH\Desktop\charta\Enquire.aspx.vb:13
   Contact.Wizard1_FinishButtonClick(Object sender, WizardNavigationEventArgs e) in C:\Documents and Settings\Danny.DESBOROUGH\Desktop\charta\Enquire.aspx.vb:9
   System.Web.UI.WebControls.Wizard.OnFinishButtonClick(WizardNavigationEventArgs e) +75
   System.Web.UI.WebControls.Wizard.OnBubbleEvent(Object source, EventArgs e) +621
   System.Web.UI.WebControls.WizardChildTable.OnBubbleEvent(Object source, EventArgs args) +17
   System.Web.UI.Control.RaiseBubbleEvent(Object source, EventArgs args) +35
   System.Web.UI.WebControls.Button.OnCommand(CommandEventArgs e) +86
   System.Web.UI.WebControls.Button.RaisePostBackEvent(String eventArgument) +156
   System.Web.UI.WebControls.Button.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +7
   System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +11
   System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +33
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +4921

 
The code behind is as follows

 Private Sub Sendmail(ByVal from As String, ByVal body As String)
        Dim mailservername As String = "mail"
        Dim message As MailMessage = New MailMessage(from, "me@somwhere.co.uk", "feedback", body)
        Dim mailclient As SmtpClient = New SmtpClient

        mailclient.Host = mailservername
        mailclient.Send(message)
        message.Dispose()
    End Sub
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