setelah koneksi dan komunikasi client ke mail server berjalan lancar kini saya mempunyai suatu masalah pengiriman mail ke non-local, terkadang berhasil terkirim dan terkadang juga gagal. Mohon pencerahannya tentang setting yang benar untuk bisa kirim mail ke non-local.... terima kasih

--- Session Transcript ---
Fri 2009-01-02 23:17:25: Parsing message 
<xxxxxxxxxxxxxxxxxxxxxxxx\pd35000000010.msg>
Fri 2009-01-02 23:17:25: *  From: ad...@mylocalmail.com
Fri 2009-01-02 23:17:25: *  To: us...@gmail.com
Fri 2009-01-02 23:17:25: *  Subject: testing kirim email
Fri 2009-01-02 23:17:25: *  Message-ID: 
<001101c96cf5$97365f00$1a6f5...@compaqevo>
Fri 2009-01-02 23:17:25: Attempting SMTP connection to [gmail.com]
Fri 2009-01-02 23:17:25: Resolving MX records for [gmail.com] (DNS Server: 
208.67.222.222)...
Fri 2009-01-02 23:17:25: *  P=005 S=001 D=gmail.com TTL=(5) 
MX=[gmail-smtp-in.l.google.com]
Fri 2009-01-02 23:17:25: *  P=010 S=002 D=gmail.com TTL=(5) 
MX=[alt1.gmail-smtp-in.l.google.com]
Fri 2009-01-02 23:17:25: *  P=010 S=003 D=gmail.com TTL=(5) 
MX=[alt2.gmail-smtp-in.l.google.com]
Fri 2009-01-02 23:17:25: *  P=050 S=000 D=gmail.com TTL=(5) 
MX=[gsmtp183.google.com]
Fri 2009-01-02 23:17:25: *  P=050 S=004 D=gmail.com TTL=(5) 
MX=[gsmtp147.google.com]
Fri 2009-01-02 23:17:25: Attempting SMTP connection to 
[gmail-smtp-in.l.google.com:25]
Fri 2009-01-02 23:17:25: Resolving A record for [gmail-smtp-in.l.google.com] 
(DNS Server: 208.67.222.222)...
Fri 2009-01-02 23:17:26: *  D=gmail-smtp-in.l.google.com TTL=(1) 
A=[209.85.217.186]
Fri 2009-01-02 23:17:26: Attempting SMTP connection to [209.85.217.186:25]
Fri 2009-01-02 23:17:26: Waiting for socket connection...
Fri 2009-01-02 23:17:26: *  Connection established (61.94.111.26:1395 -> 
209.85.217.186:25)
Fri 2009-01-02 23:17:26: Waiting for protocol to start...
Fri 2009-01-02 23:17:27: <-- 220 mx.google.com ESMTP 11si28317262gxk.82
Fri 2009-01-02 23:17:27: --> EHLO mail.mylocalmail.com
Fri 2009-01-02 23:17:30: <-- 250-mx.google.com at your service, [61.94.111.26]
Fri 2009-01-02 23:17:30: <-- 250-SIZE 35651584
Fri 2009-01-02 23:17:30: <-- 250-8BITMIME
Fri 2009-01-02 23:17:30: <-- 250 ENHANCEDSTATUSCODES
Fri 2009-01-02 23:17:30: --> MAIL From:<ad...@mylocalmail.com> SIZE=1713
Fri 2009-01-02 23:17:30: <-- 250 2.1.0 OK 11si28317262gxk.82
Fri 2009-01-02 23:17:30: --> RCPT To:<us...@gmail.com>
Fri 2009-01-02 23:18:01: <-- 250 2.1.5 OK 11si28317262gxk.82
Fri 2009-01-02 23:18:01: --> DATA
Fri 2009-01-02 23:18:02: <-- 354  Go ahead 11si28317262gxk.82
Fri 2009-01-02 23:18:02: Sending <xxxxxxxxxxxxxxxxxxxxxxxx\pd35000000010.msg> 
to [209.85.217.186]
Fri 2009-01-02 23:18:02: Transfer Complete
Fri 2009-01-02 23:18:05: <-- 550-5.7.1 [61.94.111.26] The IP you're using to 
send mail is not authorized
Fri 2009-01-02 23:18:05: <-- 550-5.7.1 to send email directly to our servers. 
Please use the SMTP
Fri 2009-01-02 23:18:05: <-- 550-5.7.1 relay at your service provider instead. 
Learn more at
Fri 2009-01-02 23:18:05: <-- 550 5.7.1 
http://mail.google.com/support/bin/answer.py?answer=10336 11si28317262gxk.82
Fri 2009-01-02 23:18:05: --> QUIT
--- End Transcript ---


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