请教一下EMAIL发送的问题

t2money11

220 XXX.XXX.com Microsoft ESMTP MAIL Service ready at Tue, 9 Feb 2010 09:53:14 +0800

hello:
The following SMTP error was encountered:
Failed to send AUTH LOGIN command. Error:

from:
The following SMTP error was encountered:

to:
The following SMTP error was encountered:

data:
The following SMTP error was encountered:
451 4.7.0 Timeout waiting for client input
The following SMTP error was encountered: 451 4.7.0 Timeout waiting for client input
Unable to send email using PHP SMTP. Your server might not be configured to send mail using this method.

User-Agent: CodeIgniter
Date: Tue, 9 Feb 2010 10:54:23 +0900
From: "123"
Return-Path:
To: XXX@hotmail.com
Subject: =?utf-8?Q?123?=
Reply-To: "XXX@XXX.com"
X-Sender: XXX@XXX.com
X-Mailer: CodeIgniter
X-Priority: 3 (Normal)
Message-ID: <4b70c04f156d2@XXX.com>
Mime-Version: 1.0


Content-Type: multipart/alternative; boundary="B_ALT_4b70c04f156ea"

This is a multi-part message in MIME format.
Your email application may not support this format.

--B_ALT_4b70c04f156ea
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 8bit

123


--B_ALT_4b70c04f156ea
Content-Type: text/html; charset=utf-8
Content-Transfer-Encoding: quoted-printable

123

--B_ALT_4b70c04f156ea--

我用126的fwq来发完全没问题，但换成公司的fwq就报错，公司用的是exchange
这个是因为公司的fwq不允许通过代码来连接发信吗