Pop3DownloadMessageHeaders Method
Downloads headers of all messages in the inbox on the server.

Namespace: MailBee.Pop3Mail
Assembly: MailBee.NET (in MailBee.NET.dll) Version: 12.5.0 build 687 for .NET 4.5
Syntax
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public MailMessageCollection DownloadMessageHeaders()

Return Value

Type: MailMessageCollection
On success, a MailMessageCollection object containing the downloaded message headers; otherwise, a null reference (Nothing in Visual Basic).
Exceptions
ExceptionCondition
MailBeeExceptionAn error occurred and ThrowExceptions is true.
Remarks
If the POP3 server supports pipelining, this method will download all the messages in a single network operation, which greatly increases performance and reduces network traffic.
Examples
This sample downloads headers of all the messages in the mailbox, and displays the following information for each message:
  • The display name of the sender (or the e-mail address if the display name is not available)
  • The display names of the recipients (or the e-mail address when the particular display name is not available)
The message information is displayed in descending order (from newer messages to older ones).
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// To use the code below, import MailBee namespaces at the top of your code.
using MailBee;
using MailBee.Pop3Mail;
using MailBee.Mime;

// The actual code (put it into a method of your class).
Pop3 pop = new Pop3();
pop.Connect("mail.domain.com");
pop.Login("jdoe", "secret");

// Download headers of all the messages in the inbox.
MailMessageCollection msgs = pop.DownloadMessageHeaders();

// Reverse the order of the elements to make newer messages appear first in the collection.
msgs.Reverse();

foreach (MailMessage msg in msgs)
{
    // Get the sender.
    string sender = msg.From.DisplayName;
    if (sender == string.Empty)
    {
        sender = msg.From.Email;
    }

    // Get the list of recipients.
    string recipients = string.Empty;
    foreach (EmailAddress address in msg.GetAllRecipients())
    {
        string recipient = address.DisplayName;
        if (recipient == string.Empty)
        {
            recipient = address.Email; 
        }

        if (recipients == string.Empty)
        {
            recipients += recipient;
        }
        else
        {
            recipients += ", " + recipient;
        }
    }

    Console.WriteLine("Message #" + msg.IndexOnServer + " was originally sent by " + sender + " to " + recipients);
}

pop.Disconnect();
See Also