помогите советом
юзер с моего почтовика пытается отправить почту, что получается видно ниже
адреса и IP изменены
--- Session Transcript ---
Thu 2008-06-26 13:39:05: Parsing message <xxxxxxxxxxxxxxxxxx\pd50000121819.msg>
Thu 2008-06-26 13:39:05: * From: muhin@garcom.ru
Thu 2008-06-26 13:39:05: * To: servic@savtest.ru
Thu 2008-06-26 13:39:05: * Subject: =?Windows-1251?Q?=F0=E5=EC=EE=ED=F2_=E0=E2=F2=EE=EC=E0=F2=E0_qwadra_las?= =?Windows-1251?Q?er?=
Thu 2008-06-26 13:39:05: * Message-ID: <1761026892.20080626132848@garcom.ru>
Thu 2008-06-26 13:39:05: Attempting SMTP connection to [savtest.ru]
Thu 2008-06-26 13:39:05: Resolving MX records for [savtest.ru] (DNS Server: 81.23.96.138)...
Thu 2008-06-26 13:39:05: * P=010 S=000 D=savtest.ru TTL=(1259) MX=[relay5.savtest.ru] {77.243.0.13}
Thu 2008-06-26 13:39:05: * P=020 S=001 D=savtest.ru TTL=(1259) MX=[relay3.savtest.ru] {195.49.184.148}
Thu 2008-06-26 13:39:05: Attempting SMTP connection to [77.243.0.13:25]
Thu 2008-06-26 13:39:05: Waiting for socket connection...
Thu 2008-06-26 13:39:05: * Connection established (81.23.109.178:18047 -> 77.243.0.13:25)
Thu 2008-06-26 13:39:05: Waiting for protocol to start...
Thu 2008-06-26 13:39:25: <-- 220 space.savtest.ru ESMTP Ready
Thu 2008-06-26 13:39:25: --> EHLO garcom.ru
Thu 2008-06-26 13:39:25: <-- 250-space.savtest.ru
Thu 2008-06-26 13:39:25: <-- 250-PIPELINING
Thu 2008-06-26 13:39:25: <-- 250-SIZE 10240000
Thu 2008-06-26 13:39:25: <-- 250-ETRN
Thu 2008-06-26 13:39:25: <-- 250-ENHANCEDSTATUSCODES
Thu 2008-06-26 13:39:25: <-- 250-8BITMIME
Thu 2008-06-26 13:39:25: <-- 250 DSN
Thu 2008-06-26 13:39:25: --> MAIL From:<muhin@garcom.ru> SIZE=236518
Thu 2008-06-26 13:39:25: <-- 250 2.1.0 Ok
Thu 2008-06-26 13:39:25: --> RCPT To:<servic@savtest.ru>
Thu 2008-06-26 13:39:25: <-- 550 5.1.7 <muhin@garcom.ru>: Sender address rejected: undeliverable address: host garcom.ru[81.23.109.178] said: 530 <postmaster@savtest.ru>, Address requires authentication (in reply to MAIL FROM command)
Thu 2008-06-26 13:39:25: --> QUIT
--- End Transcript ---