From: POSTMASTER@domain.com To: jdoe@domain.com Subject: Message Delivery Failure MailEnable: Message Delivery Failure. The following recipient(s) could not be reached: Recipient: [SMTP: bill@domain.com] Reason: The message could not be delivered because the domain name (domain.com) does not appear to be registered.
From: MAILER-DAEMON@domain.local To: jdoe@localhost Subject: Undeliverable mail: Failed to deliver to ''
// Create POP3 object
Pop3 pop = new Pop3();
// Enable logging to file
pop.Log.Enabled = true;
pop.Log.Filename = @"C:\log.txt";
pop.Log.Clear();
// Connect to POP3 server
pop.Connect("mail.domain.com");
pop.Login("bounce", "secret");
// Download headers and bodies of all messages.
MailMessageCollection msgs = pop.DownloadMessageHeaders(1, -1, -1);
// Loop through all messages in the mailbox
foreach (MailMessage msg in msgs)
{
string strLine = msg.BodyPlainText;
Console.WriteLine("From: " + msg.From.Email);
// Get failed email address
string str_invalid_email = GetInvalidEmailAddressME(msg);
// If str_invalid_email is non-empty then failed email
// address was found
if (str_invalid_email.Length > 0)
{
// Remove failed email from database
RemoveEmailFromDatabase(str_invalid_email);
// Display invalid adress
Console.WriteLine("Invalid email: " + str_invalid_email);
// Delete bounced email from server to avoid
// processing it next time
pop.DeleteMessage(msg.IndexOnServer);
}
}
// Disconnect from POP3 server
pop.Disconnect();
// The function checks whether the message is bounced and extracts
// failed address
// from bounced message. Valid only for MailEnable servers
static string GetInvalidEmailAddressME(MailMessage msg)
{
string str_invalid_email = msg.BodyPlainText;
// Check if this is a bounced message report
if (msg.Subject.IndexOf("Delivery Failure") == -1)
{
return "";
}
if (msg.From.ToString().IndexOf("POSTMASTER") == -1)
{
return "";
}
// Now we're sure this is a bounced message report
int i_start;
i_start = str_invalid_email.IndexOf("SMTP:");
// Check if bounced message report contains "Recipient:" field
if (i_start == -1)
{
return "";
}
// Get failed address
i_start += 5;
i_end = str_invalid_email.IndexOf("]",i_start);
str_invalid_email.Substring(i_start, i_end);
return str_invalid_email;
}
// The function checks whether the message is bounced and extracts
// failed address
// from bounced message. Valid only for Communigate Pro servers
static string GetInvalidEmailAddressCP(MailMessage msg)
{
string str_invalid_email = msg.BodyPlainText;
// Check if this is a bounced message report
if (msg.Subject.IndexOf("Undeliverable mail") == -1)
{
return "";
}
if (msg.From.ToString().IndexOf("MAILER-DAEMON") == -1)
{
return "";
}
// Now we're sure this is a bounced message report
int i_start;
i_start = str_invalid_email.IndexOf("to '<");
// Check if bounced message report contains
// "Failed to deliver to " field
if (i_start == -1)
{
return "";
}
// Get failed address
i_start += 5;
i_end = str_invalid_email.IndexOf("]",i_start);
str_invalid_email.Substring(i_start, i_end);
return str_invalid_email;
}
// This function must remove (or disable) specified
// email address from mailing list
static void RemoveEmailFromDatabase(string str_invalid_email)
{
// TODO: Add your code here
}Dim pop As New Pop3
' Enable logging to file
pop.Log.Enabled = True
pop.Log.Filename = "C:\log.txt"
pop.Log.Clear()
' Connect to POP3 server
pop.Connect("mail.domain.com")
pop.Login("jdoe", "secret")
' Download headers and bodies for all messages.
Dim msgs As MailMessageCollection = pop.DownloadMessageHeaders(1, -1, -1)
' Loop through all messages in the mailbox
Dim msg As MailMessage
For Each msg In msgs
Dim strLine As String = msg.BodyPlainText
Console.WriteLine("From: " + msg.From.Email)
' Get failed email address
Dim str_invalid_email As String = GetInvalidEmailAddressME(msg)
' If str_invalid_email is non-empty then failed email
' address was found
If str_invalid_email.Length > 0 Then
'Remove failed email from database
RemoveEmailFromDatabase(str_invalid_email)
' Display invalid address
Console.WriteLine("Invalid email: " & str_invalid_email)
' Delete bounced email from server to avoid
' processing it next time
pop.DeleteMessage(msg.IndexOnServer)
End If
Next
Console.ReadLine()
' Disconnect from POP3 server
pop.Disconnect()
' The function checks whether the message is bounced and extracts
' failed address
' from bounced message. Valid only for MailEnable servers
Function GetInvalidEmailAddressME(ByVal msg As MailMessage) As String
Dim str_invalid_email As String = msg.BodyPlainText
' Check if this is a bounced message report
If msg.Subject.IndexOf("Delivery Failure") = -1 Then
Return ""
End If
If msg.From.ToString().IndexOf("POSTMASTER") = -1 Then
Return ""
End If
' Now we're sure this is a bounced message report
Dim i_start As Integer, i_end As Integer
i_start = str_invalid_email.IndexOf("SMTP:")
' Check if bounced message report contains "Recipient:" field
If i_start = -1 Then
Return ""
End If
' Get failed address
i_start += 5
i_end = str_invalid_email.IndexOf("]", i_start)
str_invalid_email.Substring(i_start, i_end)
Return str_invalid_email
End Function
' The function checks whether the message is bounced and extracts
' failed address
' from bounced message. Valid only for Communigate Pro servers
Function GetInvalidEmailAddressCP(ByVal msg As MailMessage) As String
Dim str_invalid_email As String = msg.BodyPlainText
' Check if this is a bounced message report
If msg.Subject.IndexOf("Undeliverable mail") = -1 Then
Return ""
End If
If msg.From.ToString().IndexOf("MAILER-DAEMON") = -1 Then
Return ""
End If
' Now we're sure this is a bounced message report
Dim i_start As Integer, i_end As Integer
i_start = str_invalid_email.IndexOf("to '<")
' Check if bounced message report contains
' "Failed to deliver to " field
If i_start = -1 Then
Return ""
End If
' Get failed address
i_start += 5
i_end = str_invalid_email.IndexOf("]", i_start)
str_invalid_email.Substring(i_start, i_end)
Return str_invalid_email
End Function
' This function must remove (or disable) specified
' email address from mailing list
Sub RemoveEmailFromDatabase(ByVal str_invalid_email As String)
' TODO: Add your code here
End Sub【Dynamsoft Camera SDK v5.2点击下载>>>】
| C#: oMailer.BodyHtmlText = @" Test HTML message.
www.afterlogic.com"; |
| VB.NET: oMailer.BodyHtmlText = " Test HTML message. " & vbCrLf & _ "" & vbCrLf & _ " " & vbCrLf & _ " & vbCrLf & _ " & vbCrLf & _ "www.afterlogic.com" |
| C#: oMailer.Message.LoadBodyText(@"http://www.domain.com/index.htm", MessageBodyType.Html); |
| VB.NET: oMailer.Message.LoadBodyText("http://www.domain.com/index.htm", MessageBodyType.Html) |
| C#: oMailer.Message.LoadBodyText(@"C:\Temp\saved_web_page.htm", MessageBodyType.Html); |
| VB.NET: oMailer.Message.LoadBodyText("C:\Temp\saved_web_page.htm", MessageBodyType.Html) |
| C#: oMailer.Message.LoadBodyText(@"http://www.domain.com/index.htm ", MessageBodyType.Html, Encoding.Default, ImportBodyOptions.ImportRelatedFiles| ImportBodyOptions.ImportRelatedFilesFromUris); |
| VB.NET: oMailer.Message.LoadBodyText("http://www.domain.com/index.htm ", _ MessageBodyType.Html, _ Encoding.Default, ImportBodyOptions.ImportRelatedFiles Or _ ImportBodyOptions.ImportRelatedFilesFromUris) |
| C#: using System; using System.Text; using MailBee; using MailBee.SmtpMail; using MailBee.Mime; namespace EmailApp { class Class1 { [STAThread] static void Main(string[] args) { Smtp oMailer = new Smtp(); oMailer.To.AddFromString("Bill Smith "); oMailer.From.AsString = "John Doe (Company Info)"; oMailer.Subject = "Test web page"; oMailer.Message.LoadBodyText(@"http://www.domain.com/index.htm", MessageBodyType.Html, Encoding.Default, ImportBodyOptions.ImportRelatedFiles | ImportBodyOptions.ImportRelatedFilesFromUris); try { oMailer.Send(); Console.WriteLine("The message has been successfully sent."); } catch (MailBeeSmtpMessageSizeOutOfRangeException e) { Console.WriteLine("The message is too large (more than " + e.MaxAllowedMessageSize + " bytes)."); } } } } |
| VB.NET: Imports System Imports System.Text Imports MailBee Imports MailBee.SmtpMail Imports MailBee.Mime Namespace EmailApp Class Class1 _ Shared Sub Main(ByVal args() As String) Dim oMailer As Smtp = New Smtp() oMailer.To.AddFromString("Bill Smith ") oMailer.From.AsString = "John Doe (Company Info)" oMailer.Subject = "Test web page" oMailer.Message.LoadBodyText("http://www.domain.com/index.htm", MessageBodyType.Html, Encoding.Default, ImportBodyOptions.ImportRelatedFiles | ImportBodyOptions.ImportRelatedFilesFromUris) Try oMailer.Send() Console.WriteLine("The message has been successfully sent.") Catch e As MailBeeSmtpMessageSizeOutOfRangeException Console.WriteLine("The message is too large (more than " + e.MaxAllowedMessageSize + " bytes).") End Try End Sub End Class End Namespace |

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