это не причина, использовать то Вам... попробуйте так:
Код:

'Created by Mike Ruman 8/13/05
'Sends an email to accounts created today.
Dim StrDate, CurrentUTC
'Create the current date and time stamp for query for day before last
CurrentUTC = DatePart("yyyy", Date)
'now add Month in mm if only M add leading 0
if DatePart("m" , Now) < 10 then
CurrentUTC = CurrentUTC & 0 & DatePart("m" , Now)
else
CurrentUTC = CurrentUTC & DatePart("m" , Now)
end if
'now add Day in dd if only d add leading 0
if DatePart("d" , Now) < 10 then
'OPTIONAL - FOR MANY DAYS, replace line below with CurrentUTC = CurrentUTC & 0 & DatePart("d" , Now - X) where X = # of days
CurrentUTC = CurrentUTC & 0 & DatePart("d" , Now)
else
'OPTIONAL - FOR MANY DAYS, replace line below with CurrentUTC = CurrentUTC & DatePart("d" , Now - X) where X = # of days
CurrentUTC = CurrentUTC & DatePart("d" , Now)
end if
' Tag hour, minute, second on
strDate = CurrentUTC&"000001.0Z"
'Create AD Connection
Set oConnection1 = CreateObject("ADODB.Connection")
Set oCommand1 = CreateObject("ADODB.Command")
oConnection1.Provider = "ADsDSOObject" ' This is the ADSI OLE-DB provider name
oConnection1.Open "Active Directory Provider"
' Create a command object for this connection.
Set oCommand1.ActiveConnection = oConnection1
'Set Query definition
' тут задаем доменные параметры берем из AD
oCommand1.CommandText = "select mail from 'LDAP://DC=it, DC=local' WHERE objectCategory='Person' AND objectClass='user'AND msExchHideFromAddressLists<>'True' AND whenCreated>='" & strDate & "'"
oCommand1.Properties("Page Size") = 30000
' Execute the query.
Set rs = oCommand1.Execute
rs.movefirst
'Create the loop of results
Do Until rs.EOF = True
'Create Email
' настройки письма для пользователя
Set objEmail = CreateObject("CDO.Message")
objEmail.From = "Admin@mycantora.ua"
objEmail.To = rs.Fields("mail")
'Optional BCC field
'objEmail.BCC = "Admin@mycantora.ua"
objEmail.Subject = "A welcome message from Exchange"
objEmail.TextBody = "Добро пожаловать в ........."
objEmail.Configuration.Fields.Item("http://schemas.microsoft.com/cdo/configuration/languagecode") = 1049
objEmail.BodyPart.CharSet = "utf-8".
objEmail.Configuration.Fields.Item("http://schemas.microsoft.com/cdo/configuration/usemessageresponsetext") = true
'Optional Add an attachment
'objEmail.AddAttachment "C:\new_hire_audio_message.wav"
objEmail.Configuration.Fields.Item _
("http://schemas.microsoft.com/cdo/configuration/sendusing ") = 2
objEmail.Configuration.Fields.Item _
("http://schemas.microsoft.com/cdo/configuration/smtpserver ") = _
"ExchangeServer" 'Replace ExchangeServer with server IP or name
objEmail.Configuration.Fields.Item _
("http://schemas.microsoft.com/cdo/configuration/smtpserverport ") = 25
objEmail.Configuration.Fields.Update
'Optional - Read the message before it's sent
'MsgBox objEmail.GetStream.ReadText
objEmail.Send
rs.movenext
Loop
'Close AD Connection
oConnection1.close