Connects a mail server.
[Visual Basic 6.0]
Public Sub Connect( _
oServer As MailServer _
)
[Visual C++]
public: HRESULT Connect(
IMailServer* oServer
);
Parameters
Example
[Visual Basic 6.0, VBScript, Visual C++, Delphi] 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
Const MailServerMsGraph = 4
'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
If oServer.Protocol = MailServerImap4 Then
If oServer.SSLConnection Then
oServer.Port = 993 'SSL IMAP4
Else
oServer.Port = 143 'IMAP4 normal
End If
Else
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)
MsgBox "UIDL: " & info.UIDL
MsgBox "Index: " & info.Index
MsgBox "Size: " & info.Size
'For POP3/Exchange Web Service/WebDAV, the IMAP4MailFlags is meaningless.
MsgBox "Flags: " & info.IMAP4Flags
'For POP3, the Read is meaningless.
MsgBox "Read: " & info.Read
MsgBox "Deleted: " & info.Deleted
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
Const MailServerMsGraph = 4
'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 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
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
If oServer.Protocol = MailServerImap4 Then
If oServer.SSLConnection Then
oServer.Port = 993 'SSL IMAP4
Else
oServer.Port = 143 'IMAP4 normal
End If
Else
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)
MsgBox "UIDL: " & info.UIDL
MsgBox "Index: " & info.Index
MsgBox "Size: " & info.Size
'For POP3/Exchange Web Service/WebDAV, the IMAP4MailFlags is meaningless.
MsgBox "Flags: " & info.IMAP4Flags
'For POP3, the Read is meaningless.
MsgBox "Read: " & info.Read
MsgBox "Deleted: " & info.Deleted
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;
const int MailServerMsGraph = 4;
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(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);
_tprintf(_T("UIDL: %s\r\n"), (TCHAR*)pInfo->UIDL);
_tprintf(_T("Index: %d\r\n"), pInfo->Index);
_tprintf(_T("Size: %d\r\n"), pInfo->Size);
//For POP3/Exchange Web Service/WebDAV, the IMAP4MailFlags is meaningless
_tprintf(_T("Flags: %s\r\n"), (TCHAR*)pInfo->IMAP4Flags);
//For POP3, the Read is meaningless
_tprintf(_T("Read: %s\r\n"), (pInfo->Read == VARIANT_TRUE)?_T("TRUE"):_T("FALSE"));
_tprintf(_T("Deleted: %s\r\n"), (pInfo->Deleted == VARIANT_TRUE)?_T("TRUE"):_T("FALSE"));
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);
oMail.Release();
// 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();
}
[Delphi]
unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls, EAGetMailObjLib_TLB;
type
TForm1 = class(TForm)
private
{ Private declarations }
procedure ReceiveMail(server: WideString; user: WideString; password: WideString; useSslConnection: Boolean);
public
{ Public declarations }
end;
const
MailServerPop3 = 0;
MailServerImap4 = 1;
MailServerEWS = 2;
MailServerDAV = 3;
var
Form1: TForm1;
implementation
{$R *.dfm}
procedure TForm1.ReceiveMail(server: WideString; user: WideString; password: WideString; useSslConnection: Boolean);
var
oServer: TMailServer;
oClient: TMailClient;
oTools: TTools;
oMail: IMail;
infos: IMailInfoCollection;
oInfo: IMailInfo;
localInbox, fileName: WideString;
i: Integer;
begin
try
// set current thread code page to system default code page.
SetThreadLocale(GetSystemDefaultLCID());
oTools := TTools.Create(Application);
// Create a folder named "inbox" under
// current directory to store the email files
localInbox := GetCurrentDir() + '\inbox';
oTools.CreateFolder(localInbox);
oServer := TMailServer.Create(Application);
oServer.Server := server;
oServer.User := user;
oServer.Password := password;
oServer.Protocol := MailServerPop3;
// Enable SSL/TLS Connection, most modern email server require SSL/TLS connection by default.
oServer.SSLConnection := useSslConnection;
if useSslConnection then
begin
// Set 995 SSL POP3 port, for IMAP4, use 993 SSL port
oServer.Port := 995;
end
else
begin
// Set 110 POP3 port, for IMAP4, use 143 port
oServer.Port := 110;
end;
// 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 := TMailClient.Create(Application);
oClient.LicenseCode := 'TryIt';
oClient.Connect1(oServer.DefaultInterface);
ShowMessage('Connected!');
infos := oClient.GetMailInfoList();
ShowMessage(Format('Total %d email(s)', [infos.Count]));
for i := 0 to infos.Count - 1 do
begin
oInfo := infos.Item[i];
ShowMessage(Format('Index: %d; Size: %d; UIDL: ' + oInfo.UIDL,
[oInfo.Index, oInfo.Size]));
// Generate a random file name by current local datetime,
// You can use your method to generate the filename if you do not like it
fileName := localInbox + '\' + oTools.GenFileName(i) + '.eml';
// Receive email from POP3 server
oMail := oClient.GetMail(oInfo);
ShowMessage('From: ' + oMail.From.Address + #13#10 +
'Subject: ' + oMail.Subject);
// Save email to local disk
oMail.SaveAs(fileName, true);
// Mark email as deleted from POP3 server
oClient.Delete(oInfo);
end;
// Quit and expunge emails marked as deleted from POP3 server
oClient.Quit;
except
on ep:Exception do
ShowMessage('Error: ' + ep.Message);
end;
end;
end.
See Also
User Authentication and SSL/TLS Connection
MailClient.Connect Method
Online Tutorials
Read Email over SSL/TLS Connection in Delphi - Tutorial
Read Email from Gmail Account in Delphi - Tutorial
Read Email from Yahoo Account in Delphi - Tutorial
Read Email from Hotmail Account in Delphi - Tutorial
Read Email over SSL/TLS Connection in VB6 - Tutorial
Read Email from Gmail Account in VB6 - Tutorial
Read Email from Yahoo Account in VB6 - Tutorial
Read Email from Hotmail Account in VB6 - Tutorial
Read Email over SSL/TLS Connection VC++ - Tutorial
Read Email from Gmail Account in VC++ - Tutorial
Read Email from Yahoo Account in VC++ - Tutorial
Read Email from Hotmail Account in VC++ - Tutorial