Public Function LoginIntoMAPI(ByVal strProfile As String, ByVal strPassword As String) As MAPI.Session
    On Error GoTo error_olemsg
    'LoginIntoMAPI As MAPI.Session
    Set LoginIntoMAPI = CreateObject("MAPI.Session")
    If Not LoginIntoMAPI Is Nothing Then
        If strProfile <> "" And strPassword <> "" Then
            'Known reference
            LoginIntoMAPI.Logon showDialog:=False, profileName:=strProfile, profilePassword:=strPassword, newSession:=False
            
            'Unknown reference
            LoginIntoMAPI2.Logon showDialog:=False, profileName:=strProfile, profilePassword:=strPassword, newSession:=False
        Else
            Err.Raise 1273, "Cannot logon to email system: no profile name or password"
        End If
    End If
    Exit Function
error_olemsg:
    LoginIntoMAPI = Nothing
End Function

public MAPI.Session LoginIntoMAPI(string strProfile, string strPassword)
{
	MAPI.Session result = null;
	object LoginIntoMAPI2 = null;
	try
	{
		//LoginIntoMAPI As MAPI.Session
		result = new MAPI.Session();
		if (result != null)
		{
			if (strProfile != "" && strPassword != "")
			{
				//Known reference
				result.Logon(strProfile, strPassword, false, false, Type.Missing, Type.Missing, Type.Missing);

				//Unknown reference
				//UPGRADE_WARNING: (7006) The Named argument newSession was not resolved and corresponds to the following expression False.
				//UPGRADE_WARNING: (7006) The Named argument profilePassword was not resolved and corresponds to the following expression strPassword.
				//UPGRADE_WARNING: (7006) The Named argument profileName was not resolved and corresponds to the following expression strProfile.
				//UPGRADE_WARNING: (7006) The Named argument showDialog was not resolved and corresponds to the following expression False.
				//UPGRADE_TODO: (1067) Member Logon is not defined in type Variant.
				LoginIntoMAPI2.Logon(false, strProfile, strPassword, false);
			}
			else
			{
				throw new System.Exception("1273, Cannot logon to email system: no profile name or password, ");
			}
		}
	}
	catch
	{
		return result;
	}
}

public MAPI.Session LoginIntoMAPI(string strProfile, string strPassword)
{
	MAPI.Session result = null;
	object LoginIntoMAPI2 = null;
	try
	{
		//LoginIntoMAPI As MAPI.Session
		result = new MAPI.Session();
		if (result != null)
		{
			if (strProfile != "" && strPassword != "")
			{
				//Known reference
				result.Logon(strProfile, strPassword, false, false, Type.Missing, Type.Missing, Type.Missing);

				//Unknown reference
				LoginIntoMAPI2.Logon(false, strProfile, strPassword, false, Type.Missing, Type.Missing, Type.Missing);
			}
			else
			{
				throw new System.Exception("1273, Cannot logon to email system: no profile name or password, ");
			}
		}
	}
	catch
	{
		return result;
	}
}