MailServer.Protocol Property


Gets or sets the protocol (POP3/IMAP4/Exchange Web Service/WebDAV) for mail server.

[Visual Basic 6.0]
Public Property Get Protocol() As Long
Public Property Let Protocol(newVal As Long) 
[Visual C++]
public: get_Protocol(LONG* pVal);
public: put_Protocol(LONG newVal);

Property Value

One of the following values.
Const MailServerPop3 = 0 'Specifies that the mail server uses POP3 protocol. 
Const MailServerImap4 = 1 'Specifies that that the mail server uses IMAP4 protocol.
Const MailServerEWS = 2 'Specifies that that the mail server uses Exchange Web Service(EWS) protocol (Exchange Server 2007 or later version).
Const MailServerDAV = 3 'Specifies that that the mail server uses Exchange WebDAV protocol (Exchange Server 2000/2003).

Remarks

Example

[Visual Basic 6.0, VBScript, Visual C++] The following example demonstrates how to receive email with EAGetMail POP3 & IMAP ActiveX Object, but it doesn't demonstrates the events and mail parsing usage. To get the full samples of EAGetMail, please refer to Samples section.

[Visual Basic 6.0]
Public Sub ReceiveMail( _
ByVal sServer As String, _
ByVal sUserName As String, _
ByVal sPassword As String, _
ByVal bSSLConnection As Boolean)
    
    Const MailServerPop3 = 0
    Const MailServerImap4 = 1
    Const MailServerEWS = 2
    Const MailServerDAV = 3

    'For evaluation usage, please use "TryIt" as the license code, otherwise the
    '"invalid license code" exception will be thrown. However, the object will expire in 1-2 months, then
    '"trial version expired" exception will be thrown.
    Dim oClient As New EAGetMailObjLib.MailClient
    oClient.LicenseCode = "TryIt"
    
    'To receive email from imap4 server, please change
    'MailServerPop3 to MailServerImap4 to MailServer.Protocol

    'To receive email with Exchange Web Service, please change
    'MailServerPop3 to MailServerEWS to MailServer.Protocol

    'To receive email with Exchange WebDAV, please change
    'MailServerPop3 to MailServerDAV to MailServer.Protocol

    'Exchange Server supports POP3/IMAP4 protocol as well, but in Exchange 2007
    'or later version, POP3/IMAP4 service is disabled by default. If you don't want to use POP3/IMAP4
    'to download email from Exchange Server, you can use Exchange Web Service(Exchange 2007/2010 or
    'later version) or WebDAV(Exchange 2000/2003) protocol.

    Dim oServer As New EAGetMailObjLib.MailServer
    oServer.Server = sServer
    oServer.User = sUserName
    oServer.Password = sPassword
    oServer.SSLConnection = bSSLConnection
    oServer.Protocol = MailServerPop3
    
    'by default, the pop3 port is 110, imap4 port is 143,
    'the pop3 ssl port is 995, imap4 ssl port is 993
    'you can also change the port like this
    'oServer.Port = 110
    
    'For Exchange Web Service/WebDAV, please ignore 
    'Port property. But for Exchange Web Service, please set SSLConnection to True

    If oServer.Protocol = MailServerImap4 Then
        If oServer.SSLConnection Then
            oServer.Port = 993 'SSL IMAP4
        Else
            oServer.Port = 143 'IMAP4 normal
        End If
    ElseIf  oServer.Protocol = MailServerPop3 Then
        If oServer.SSLConnection Then
            oServer.Port = 995 'SSL POP3
        Else
            oServer.Port = 110 'POP3 normal
        End If
    End If
    
On Error GoTo ErrorHandle
    oClient.Connect oServer

    Dim infos As EAGetMailObjLib.MailInfoCollection
    Set infos = oClient.GetMailInfoList()
    
    Dim i
    For i = 0 To infos.Count - 1
        Dim info As EAGetMailObjLib.MailInfo
        Set info = infos.Item(i)

        Dim oMail As EAGetMailObjLib.Mail
        Set oMail = oClient.GetMail(info)
        'Save mail to local
        oMail.SaveAs "d:\tempfolder\" & i & ".eml", True

        ' Delete email from server
        oClient.Delete info
    Next

    '' Delete method just mark the email as deleted,
    ' Quit method expunge the emails from server permanently.
    oClient.Quit
    Exit Sub

ErrorHandle:
    ''Error handle
    MsgBox Err.Description
    
    oClient.Close
End Sub


[VBScript] Sub ReceiveMail(_ ByVal sServer, _ ByVal sUserName, _ ByVal sPassword, _ ByVal bSSLConnection) Const MailServerPop3 = 0 Const MailServerImap4 = 1 Const MailServerEWS = 2 Const MailServerDAV = 3 'For evaluation usage, please use "TryIt" as the license code, otherwise the '"invalid license code" exception will be thrown. However, the object will expire in 1-2 months, then '"trial version expired" exception will be thrown. Dim oClient Set oClient = CreateObject("EAGetMailObj.MailClient") oClient.LicenseCode = "TryIt" 'To receive email from imap4 server, please change 'MailServerPop3 to MailServerImap4 in MailServer constructor 'To receive email with Exchange Web Service, please change 'MailServerPop3 to MailServerEWS to MailServer.Protocol 'To receive email with Exchange WebDAV, please change 'MailServerPop3 to MailServerDAV to MailServer.Protocol 'Exchange Server supports POP3/IMAP4 protocol as well, but in Exchange 2007 'or later version, POP3/IMAP4 service is disabled by default. If you don't want to use POP3/IMAP4 'to download email from Exchange Server, you can use Exchange Web Service(Exchange 2007/2010 or 'later version) or WebDAV(Exchange 2000/2003) protocol. Dim oServer Set oServer = CreateObject("EAGetMailObj.MailServer") oServer.Server = sServer oServer.User = sUserName oServer.Password = sPassword oServer.SSLConnection = bSSLConnection oServer.Protocol = MailServerPop3 ''by default, the pop3 port is 110, imap4 port is 143, 'the pop3 ssl port is 995, imap4 ssl port is 993 'you can also change the port like this 'oServer.Port = 110 'For Exchange Web Service/WebDAV, please ignore 'Port property. But for Exchange Web Service, please set SSLConnection to True If oServer.Protocol = MailServerImap4 Then If oServer.SSLConnection Then oServer.Port = 993 'SSL IMAP4 Else oServer.Port = 143 'IMAP4 normal End If ElseIf oServer.Protocol = MailServerPop3 Then If oServer.SSLConnection Then oServer.Port = 995 'SSL POP3 Else oServer.Port = 110 'POP3 normal End If End If oClient.Connect oServer Dim infos Set infos = oClient.GetMailInfoList() Dim i For i = 0 To infos.Count - 1 Dim info Set info = infos.Item(i) Dim oMail Set oMail = oClient.GetMail(info) 'Save mail to local oMail.SaveAs "d:\tempfolder\" & i & ".eml", True ' Delete email from server oClient.Delete info Next '' Delete method just mark the email as deleted, ' Quit method expunge the emails from server permanently. oClient.Quit End Sub
[Visual C++] #include "stdafx.h" #include <windows.h> #include "eagetmailobj.tlh" using namespace EAGetMailObjLib; void ReceiveMail( LPCTSTR sServer, LPCTSTR sUserName, LPCTSTR sPassword, bool bSSLConnection) { ::CoInitialize(NULL); const int MailServerPop3 = 0; const int MailServerImap4 = 1; const int MailServerEWS = 2; const int MailServerDAV = 3; try { IMailClientPtr oClient; oClient.CreateInstance(__uuidof(EAGetMailObjLib::MailClient)); IMailServerPtr oServer; oServer.CreateInstance(__uuidof(EAGetMailObjLib::MailServer)); // For evaluation usage, please use "TryIt" as the license code, otherwise the // "invalid license code" exception will be thrown. However, the object will expire in 1-2 months, then // "trial version expired" exception will be thrown. oClient->LicenseCode = _T("TryIt"); oServer->Server = sServer; oServer->User = sUserName; oServer->Password = sPassword; INT nProtocol = MailServerPop3; //To receive email from imap4 server, please change //MailServerPop3 to MailServerImap4 in MailServer constructor //To receive email with Exchange Web Service, please change //MailServerPop3 to MailServerEWS to MailServer.Protocol //To receive email with Exchange WebDAV, please change //MailServerPop3 to MailServerDAV to MailServer.Protocol //Exchange Server supports POP3/IMAP4 protocol as well, but in Exchange 2007 //or later version, POP3/IMAP4 service is disabled by default. If you don't want to use POP3/IMAP4 //to download email from Exchange Server, you can use Exchange Web Service(Exchange 2007/2010 or //later version) or WebDAV(Exchange 2000/2003) protocol. //For Exchange Web Service/WebDAV, please ignore //Port property. But for Exchange Web Service, please set SSLConnection to True oServer->Protocol = nProtocol; if(nProtocol == MailServerPop3) { if(bSSLConnection) { oServer->Port = 995; oServer->SSLConnection = VARIANT_TRUE; } else { oServer->Port = 110; } } else if(nProtocol == MailServerImap4) { if(bSSLConnection) { oServer->Port = 993; oServer->SSLConnection = VARIANT_TRUE; } else { oServer->Port = 143; } } oClient->Connect(oServer); IMailInfoCollectionPtr infos = oClient->GetMailInfoList(); for(long i = 0; i < infos->Count; i++) { IMailInfoPtr pInfo = infos->GetItem(i); IMailPtr oMail = oClient->GetMail(pInfo); TCHAR szFile[MAX_PATH+1]; memset(szFile, 0, sizeof(szFile)); ::wsprintf(szFile, _T("d:\\tempfolder\\%d.eml"), i); //save to local disk oMail->SaveAs(szFile, VARIANT_TRUE); // delete email from server oClient->Delete(pInfo); } // Delete method just mark the email as deleted, // Quit method expunge the emails from server permanently. oClient->Quit(); } catch(_com_error &ep) { _tprintf(_T("ERROR: %s\r\n"), (TCHAR*)ep.Description()); } ::CoUninitialize(); }

See Also

User Authentication and SSL/TLS Connection
MailClient.Connect Method

Online Tutorials

Read Email and Parse Email in VB6 - Tutorial
Read Email and Parse Email in Delphi - Tutorial
Read Email and Parse Email VC++ - Tutorial