SMTP Error 5.7.1 Unable to relay - from webmail interface

Hi,
This is some strange problem i faced for the first time.
Below Messaging Version on Solaris 10 which is working fine.
Sun Java(tm) System Messaging Server 6.2-7.05 (built Sep 5 2006)
libimta.so 6.2-7.05 (built 12:18:44, Sep 5 2006)
Sometimes (very rarely), users getting "relaying problem" even they try to send from webmail (using browser) interface.
Part of log written to "http" file under <msg-hime>/log directory:
[24/Jun/2007:15:42:34 -0400] webmail httpd[23377]: General Warning: saveSmtp failed: SMTP Error 5.7.1 Unable to relay for [email protected]
Any help highly appreciated
TIA
Prvn

Hi shane,
All incoming mails (incl. sent self mails using webmail interface) seem to be looped. Not able to receive any mail.
The logs written in mail.log_current below: (when sent self mails using webmail)
when service.http.smtphost = 127.0.0.1 :
26-Jun-2007 05:36:32.09 tcp_intranet tcp_scan E 2 [email protected] rfc822;[email protected] @tcp_scan-daemon:[email protected] mailgw ([192.168.1.49])
26-Jun-2007 05:36:32.19 tcp_scan D 2 [email protected] rfc822;[email protected] @tcp_scan-daemon:[email protected] [192.168.1.49] dns;[192.168.1.49] (TCP|192.168.1.41|43340|192.168.1.49|10026) (mailgw Symantec Mail Security Tue, 26 Jun 2007 05:36:22 -0700 ) smtp;250 2.1.5 [email protected]
26-Jun-2007 05:36:36.10 tcp_intranet tcp_scan E 3 [email protected] rfc822;[email protected] @tcp_scan-daemon:[email protected] mailgw ([192.168.1.49])
26-Jun-2007 05:36:36.20 tcp_scan D 3 [email protected] rfc822;[email protected] @tcp_scan-daemon:[email protected] [192.168.1.49] dns;[192.168.1.49] (TCP|192.168.1.41|43411|192.168.1.49|10026) (mailgw Symantec Mail Security Tue, 26 Jun 2007 05:36:26 -0700 ) smtp;250 2.1.5 [email protected]
26-Jun-2007 05:36:40.09 tcp_intranet tcp_scan E 3 [email protected] rfc822;[email protected] @tcp_scan-daemon:[email protected] mailgw ([192.168.1.49])
26-Jun-2007 05:36:40.19 tcp_scan D 3 [email protected] rfc822;[email protected] @tcp_scan-daemon:[email protected] [192.168.1.49] dns;[192.168.1.49] (TCP|192.168.1.41|43414|192.168.1.49|10026) (mailgw Symantec Mail Security Tue, 26 Jun 2007 05:36:30 -0700 ) smtp;250 2.1.5 [email protected]
26-Jun-2007 05:36:44.13 tcp_intranet tcp_scan E 4 [email protected] rfc822;[email protected] @tcp_scan-daemon:[email protected] mailgw ([192.168.1.49])
when service.http.smtphost = 192.168.1.41:
26-Jun-2007 05:20:45.93 tcp_intranet tcp_scan E 5 [email protected] rfc822;[email protected]
@tcp_scan-daemon:[email protected] mailgw ([192.168.1.49])
26-Jun-2007 05:20:46.00 tcp_scan D 5 [email protected] rfc822;[email protected]
@tcp_scan-daemon:[email protected] [192.168.1.49] dns;[192.168.1.49] (TCP|192.168.1.41|36905|192.168.1.49|10026) (mailgw
Symantec Mail Security Tue, 26 Jun 2007 05:20:36 -0700 ) smtp;250 2.1.5 [email protected]
26-Jun-2007 05:20:46.17 tcp_intranet tcp_scan E 9 [email protected] rfc822;[email protected]
@tcp_scan-daemon:[email protected] mailgw ([192.168.1.49])
26-Jun-2007 05:20:46.27 tcp_scan D 9 [email protected] rfc822;[email protected]
@tcp_scan-daemon:[email protected] [192.168.1.49] dns;[192.168.1.49] (TCP|192.168.1.41|36906|192.168.1.49|10026)
(mailgw Symantec Mail Security Tue, 26 Jun 2007 05:20:36 -0700 ) smtp;250 2.1.5 [email protected]
26-Jun-2007 05:20:46.32 tcp_intranet tcp_scan E 5 [email protected] rfc822;[email protected]
@tcp_scan-daemon:[email protected] mailgw ([192.168.1.49])
26-Jun-2007 05:20:46.40 tcp_scan D 5 [email protected] rfc822;[email protected]
@tcp_scan-daemon:[email protected] [192.168.1.49] dns;[192.168.1.49] (TCP|192.168.1.41|36907|192.168.1.49|10026) (mailgw
Symantec Mail Security Tue, 26 Jun 2007 05:20:37 -0700 ) smtp;250 2.1.5 [email protected]
26-Jun-2007 05:20:46.58 tcp_intranet tcp_scan E 10 [email protected] rfc822;[email protected]
@tcp_scan-daemon:[email protected] mailgw ([192.168.1.49])
26-Jun-2007 05:20:46.67 tcp_scan D 10 [email protected] rfc822;[email protected]
@tcp_scan-daemon:[email protected] [192.168.1.49] dns;[192.168.1.49] (TCP|192.168.1.41|36908|192.168.1.49|10026)
(mailgw Symantec Mail Security Tue, 26 Jun 2007 05:20:37 -0700 ) smtp;250 2.1.5 [email protected]
26-Jun-2007 05:20:46.72 tcp_intranet tcp_scan E 6 [email protected] rfc822;[email protected]
@tcp_scan-daemon:[email protected] mailgw ([192.168.1.49])
26-Jun-2007 05:20:46.79 tcp_scan D 6 [email protected] rfc822;[email protected]
@tcp_scan-daemon:[email protected] [192.168.1.49] dns;[192.168.1.49] (TCP|192.168.1.41|36909|192.168.1.49|10026) (mailgw
Symantec Mail Security Tue, 26 Jun 2007 05:20:37 -0700 ) smtp;250 2.1.5 [email protected]
26-Jun-2007 05:20:46.97 tcp_intranet tcp_scan E 10 [email protected] rfc822;[email protected]
@tcp_scan-daemon:[email protected] mailgw ([192.168.1.49])
Regards,
Prvn

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Note: Microsoft is providing this information as a convenience to you. The sites are not controlled by Microsoft. Microsoft cannot make any representations regarding the quality, safety, or suitability of any software or information found there. Please make
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import java.io.*;
import javax.mail.*;
import javax.mail.internet.*;
import javax.activation.*;
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String sFrom = "";
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System.out.println("CC: "+sCC);
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trns = session.getTransport("smtp");
if(trns == null){
System.out.println("trans is not null");
else
System.out.println("trans null");
trns.connect(sMailServer,Base64.base64Encode ( sUserID ),Base64.base64Encode ( sPassword ));
if(trns.isConnected()){
System.out.println("connected to SMTP SERVER");
else{
System.out.println("not connect");
InternetAddress address = new InternetAddress();
//create a message
msg = new MimeMessage(session);
catch(Exception e){
public void sendMessage(String message){
sendMessage(getFirstLine(message),message);
public void sendMessage(String subject,String message){
try{
//prepare message
msg.setFrom(new InternetAddress(sFrom));
msg.setRecipients(Message.RecipientType.TO, InternetAddress.parse(sTo));
msg.setSubject(subject);
msg.setSentDate(new Date());
msg.setText(message);
trns.send(msg);
System.out.println("message sent");
catch(Exception e){
e.printStackTrace();
public String getFirstLine(String message){
BufferedReader buf = new BufferedReader(new StringReader(message));
try{
return buf.readLine();
catch(Exception e){
return " ";
public static void main(String[] args){
StringPool sp = new StringPool();
sp.set("SMTPServer.SERVER","152.118.89.0");
sp.set("SMTPServer.PORT","25");
sp.set("SMTPServer.LOGIN","kiara");
sp.set("SMTPServer.PASSWORD","kiara");
sp.set("SMTPAlert.TO","[email protected]");
sp.set("SMTPAlert.FROM","[email protected]");
sp.set("SMTPAlert.CC","");
PCMMail pcm = new PCMMail(sp);
pcm.sendMessage("subject","message body");
}

Mailbox unavailable. The server response was: 5.7.1 Unable to relay

I have tried to send a mail from my ASP.Net web application, But I Receive
"Mailbox unavailable. The server response was: 5.7.1 Unable to relay"
error in my log file, I have made the following change in SMTP Virtual server in IIS 6 Manager in the server
1.Added 127.0.0.1 and IP of server in Smtp Virtual Server->Properties->Access tab->Relay
under only the list below
2.Checked anonymous access in Smtp Virtual Server->Properties->Access tab->authentication
3.Changed IP address to All unassigned and also to IP of server in General tab
But no luck till now. Looking forward for your valuable reply. Thanks in Advance

Hi,
For this issue, i think you should ask in:
http://forums.asp.net/default.aspx/7?General+ASP+NET
Regards.
Vivian Wang

Invalid Addresses; nested exception is: class javax.mail.SendFailedException: 550 5.7.1 Unable to relay for

Hi!
I am with a problem during a sending e-mail for 3500
addressees.
In the way it process me of the one error and in log CF
Administrator shows the following error to it:
Invalid Addresses; nested exception is: class
javax.mail.SendFailedException: 550 5.7.1 Unable to relay for
What it could be?
Server Configuration:
Windows 2003 Standard with ColdFusion MX 7.02 (last update)
Best Regards

You need to either authenticate your user or turn on relaying in your SMTP server. See the JavaMail tutorial for how to authenticate

SMTP Error 5.7.1 Unable to relay - from webmail interface

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