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• What's the weirdest thing you've ever seen a non-techie do to a computing device?

  - by googletorp

  I thought it would be fun to bring out the stories on what people have done throughout the ages with computers due to their sometimes, to put it politely, less than perfect grasp of technology. I'll start out with a little story from my high-school days. After graduation, a classmate of mine, who took IT and subsequently scored an A in the subject, was sent an e-mail by a friend. She replied to his mail: "I'm sorry, but I can't reply your mail, since I don't have your email address." Till this day I still can't understand why she gave such a weird reply as she was a bright girl although not a techie. Now, let's hear those other battle stories from the real world...

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• Cannot run public class in one .java from another

  - by DIOS

  I have created a basic program that takes whatever is input into two textfields and exports them to a file. I would now like to encrypt that file, and alredy have the encryptor. The problem is that I cannot call it. Here is my code for the encryptor: import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.*; import javax.crypto.Cipher; import javax.crypto.CipherInputStream; import javax.crypto.CipherOutputStream; import javax.crypto.spec.SecretKeySpec; public class FileEncryptor { private String algo; private File file; public FileEncryptor(String algo,String path) { this.algo=algo; //setting algo this.file=new File(path); //settong file } public void encrypt() throws Exception{ //opening streams FileInputStream fis =new FileInputStream(file); file=new File(file.getAbsolutePath()); FileOutputStream fos =new FileOutputStream(file); //generating key byte k[] = "HignDlPs".getBytes(); SecretKeySpec key = new SecretKeySpec(k,algo.split("/")[0]); //creating and initialising cipher and cipher streams Cipher encrypt = Cipher.getInstance(algo); encrypt.init(Cipher.ENCRYPT_MODE, key); CipherOutputStream cout=new CipherOutputStream(fos, encrypt); byte[] buf = new byte[1024]; int read; while((read=fis.read(buf))!=-1) //reading data cout.write(buf,0,read); //writing encrypted data //closing streams fis.close(); cout.flush(); cout.close(); } public static void main (String[] args)throws Exception { new FileEncryptor("DES/ECB/PKCS5Padding","C:\\Users\\*******\\Desktop\\newtext").encrypt();//encrypts the current file. } } Here is the section of my file creator that is failing to call this: FileWriter fWriter = null; BufferedWriter writer = null; try{ fWriter = new FileWriter("C:\\Users\\*******\\Desktop\\newtext"); writer = new BufferedWriter(fWriter); writer.write(Data); writer.close(); f.dispose(); FileEncryptor encr = new FileEncryptor(); //problem lies here. encr.encrypt //public void that does the encryption. new complete(); //different .java that is working fine.

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• REST service with binary data

  - by user179437

  Hi I want to create Restful service which can accept binary data. I've implemented javax.xml.ws.Provider interface, but i can't get content of request. If I use javax.xml.ws.Dispatch then its send only XML data, but I need transfer binary data. Please give some solution, but I don't prefer to use JAX-RS or Restlets. Thanks.

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• How restore back up email files in qmail

  - by Maysam

  I have problem with restoring some old backup mail files in a mail server that uses qmail. The problem is, when I copy a new email file to the /cur directory, the number of emails in front of inbox increases, but when I click on the inbox, I don't see the newly copied email. I can only see the old emails. I also deleted maildirsize and courierimapuiddb files and they where automatically created again, but it didn't help and I cannot still see the email in my inbox. Is there something I am missing? How can I restore the backed up email files? Please note that when I copy the email files in /.sent-mail/cur directory, they are all displayed in my sent box, but that doesn't happen for inbox files in /cur directory.

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• sasl and tls with dns load balancing

  - by achal tomar

  I am using DNS load balancing in my centOs 5 server.The mail sent to the load balancer server are balanced by sending them to 4 more servers who then pass the mails to their destinations in the network.The mails are generated by a Php script which gives all the mail to the load balancer server. Now i want sasl and tls authentication in the load balancer server so that i can prevent the mail server from spammers,Can anyone tell me how to do this. The load balancer pass the mails to other servers based on equal mx record preference,so i want sasl authentication with Dns load balancing.

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• postfix smtp relay script

  - by Peter Sander

  I have a Postfix server and using it with Outlook (POP/SMTP). I have different sender addresses for an account. Now I want to configure a relay for a specific sender address. For example I have postfix for my main domain domain1.com. Now I have a sender address that is domain2.com. For that sender address I want that postfix to relay mail to a second SMTP server. I think that should be possible without problems. But the problem is that I have to create a SSH tunnel to the second server to connect to the SMTP server. But I cant use a persistent SSH connection so I want to know if it is possible that postfix executes some script before relaying the mail to the second SMTP server. I already found some information for executing a script when incomming emails but I only want to establish the SSH tunnel before postfix relays the mail to the second SMTP server.

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• Google Collections sources don't compile

  - by Carl Rosenberger

  I just downloaded the Google Collections sources and imported them into a new Eclipse project with JDK 1.6. They don't compile for a couple of reasons: javax.annotation.Nullable can not be found javax.annotation.ParametersAreNonnullByDefault can not be found Cannot reduce the visibility of the inherited method #createCollection() from AbstractMultimap + 11 similar ones Name clash: The method forcePut(K, V) of type AbstractBiMap has the same erasure as forcePut(Object, Object) of type BiMap but does not override it + 2 similar ones What am I missing? I also wonder if unit tests for these collections are available to the public.

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• How to set RpcClientAccessServer for a Exchange 2010 mailbox database to a load balancer

  - by Archit Baweja

  I have 2 Exchange 2010 servers each with a Mailbox Database. I have also setup a Hardware Load Balancer (KEMP LoadMaster 2200 to be precise) to load balance the CAS role access. My HLB has an IP of 192.168.1.100. I've setup the DNS A record for mail.mydomain.com to point to 192.168.1.100. However when I try to set the RpcClientAccessServer on a mailbox database using Set-MailboxDatabase "My Mailbox Database" -RpcClientAccessServer mail.mydomain.com I get an error saying Exchange server "mail.mydomain.com" was not found. Please make sure you have typed it correctly. + CategoryInfo : NotSpecified: (:) [], ManagementObjectNotFoundException + FullyQualifiedErrorId : 4082394C Any ideas?

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• Postfix block senders outside from local domains

  - by Tibor Peter Toth

  I would like to block every mail that is coming in from a domain that is running on my server. Example: I have domain1.com on my mail server and I'm getting a mail from outside with an email address of [email protected] Then I know it's a Spam, because domain1.com is on my server, so the sender cannot come from outside. I want postfix to check for this, and simply block these kind of emails. I know this is a function in postfix, just don't know which one. Thanks.

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• Exchange 2003 and Outlook rule: Send auto reply message not working

  - by Mestika

  I have created a distributed group which have to send a auto reply when receiving a mail. I know that it is impossible to send a auto reply within a distributed group, but following a guide I have created a mail account called “noreply”. In outlook I have created a rule in the “noreply” account where I chose following conditions: Send to a person or distributed list (where I selected my distributed group) Then to specify what to do with that message I selected Have server reply using a specific message I’ve created my message and saved it. But when I try to write an e-mail to the distributed group it doesn’t send back the reply message. Does anyone knows what I’m doing wrong? Sincerely Mestika

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• How do I keep multiple copies of Outlook in sync when using RPC over HTTP?

  - by Don

  I use Outlook 2007 at work with our Exchange 2003 server. I just setup my home system with Outlook 2007 so that I could use the RPC over HTTP to access Exchange without having to use a VPN. It works fine. I can get mail, send mail, etc. What it doesn't seem to be doing is staying in sync. For example, I read a few messages at home, moved them into different folders from the Inbox, etc. That all seemed fine. When I login to my work machine and look at the copy of Outlook there, the mail is still unread and nothing has been moved. Am I missing something simple here? I would have to assume that my home machine should be telling Exchange where these messages belong and that they've been read. Both machines are running Windows 7, if that matters. Ideas?

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• Exchange Server 2010 ActiveSync SSL Certificate Problem

  - by Cell-o

  Hi All, We have a problem related Exchange Server 2010 Activesync.My problem is;When I connecting to activesync from outside, I am receiving the following error. ExRCA is testing Exchange ActiveSync. The Exchange ActiveSync test failed. Test Steps Attempting to resolve the host name mail.xxxxx.com in DNS. The host name resolved successfully. Additional Details IP addresses returned: xx.0.x3.4 Testing TCP port 443 on host mail.x.com to ensure it's listening and open. The port was opened successfully. Testing the SSL certificate to make sure it's valid. The SSL certificate failed one or more certificate validation checks. Test Steps Validating the certificate name. Certificate name validation failed. Tell me more about this issue and how to resolve it Additional Details Host name mail.x.com doesn't match any name found on the server certificate CN=xxxxxx. Thanks in advance all your help.

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• Domino 8.5.3: Modify Subject of Incoming Email

  - by Void

  I am a newbie in managing and development for Domino. Recently, I have request from other teams at work to set up a filter or agent for incoming mail. This is the requirement for the request: Look for Incoming Mail addressed to #CRITICAL (mutlipurpose, internal group containing a list of engineers) For mail matching Point 1, append "For Immediate Action: " to the front of the Subject Some restrictions I have: Only the Domino server is under my charge, not to touch on network-side or other servers No 3rd party software to be installed I have gone through the configurations in the Domino server and the closest thing I have to filtering Email is the Router/SMTP Restrictions... Rules. But this is not able to fulfill Point 2 in any way. Is this even possible using just Domino server settings, or through agents?

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• error in midlet while implementing command..

  - by garima

  hi I have imported import com.sun.lwuit.Command; import javax.microedition.midlet.; import javax.microedition.lcdui.; in my code but still the following errors are coming... exitCommand = new Command("Exit", Command.EXIT, 2); //line 1 textbox.addCommand(exitCommand); //line 2 Command.EXIT cannot be resolved.. The method addCommand(Command) in the type Displayable is not applicable for the arguments (Command)

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• JPanel components paint-time problem

  - by Tom Brito

  I'm having a problem that when my frame is shown (after a login dialog) the buttons are not on correct position, then in some miliseconds they go to the right position (the center of the panel with border layout). When I make a SSCCE, it works correct, but when I run my whole code I have this fast-miliseconds delay to the buttons to go to the correct place. Unfortunately, I can't post the whole code, but the method that shows the frame is: public void login(JComponent userView) { centerPanel.removeAll(); centerPanel.add(userView); centerPanel.revalidate(); centerPanel.repaint(); frame.setVisible(true); } What would cause this delay to the panel layout? (I'm running everything in the EDT) -- update In my machine, this SSCCE shows the layout problem in 2 of 10 times I run it: import java.awt.BorderLayout; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.SwingUtilities; public class TEST { public static void main(String[] args) throws Exception { SwingUtilities.invokeAndWait(new Runnable() { @Override public void run() { System.out.println("Debug test..."); JPanel btnPnl = new JPanel(); btnPnl.add(new JButton("TEST")); JFrame f = new JFrame("TEST"); f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); f.getContentPane().setLayout(new BorderLayout()); f.getContentPane().add(btnPnl); f.pack(); f.setSize(800, 600); f.setVisible(true); System.out.println("End debug test!"); } }); } } The button first appers in the up-left, and then it goes to the center. Please, note that I'm understand, not just correct. Is it a java bug? --update OK, so the SSCCE don't show the problem with you that tried till now. Maybe it's my computer performance problem. But this don't answer the question, I still think Java Swing is creating new threads for make the layout behind the scenes.

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• Postfix, saslauthd, mysql, smtp authentication problems

  - by italiansoda

  Trying to get authentication on my mail server (ubuntu 10.04) running but am having trouble. I have a server with postfix for smtp setup, imap server with courier setup. My postfix authentication is using cyrus (I haven't tried dovecot really) saslauth. The user name and password is stored in a MySql database. Logging in with imap-ssl works on a remote client (thunderbird), and I can read my mail. I can't get the SMTP side working, and have focused the issue down to saslauth. Testing with testsaslauthd -u 'username' -p 'passowrd' -s smtp returns connect() : Permission denied the password in the database is encrypted and I guess this testsaslauthd will take a plain text password and encrypt it. Looking for someone to walk me through getting this working. Im new to the mail server, and have never got one fully working. Thanks. Ask me which log files I should look at/post, which tests to run, permissions to check.

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• Correct way to make datasources/resources a deploy-time setting

  - by Draemon

  I have a web-app that requires two settings: A JDBC datasource A string token I desperately want to be able to deploy one .war to various different containers (jetty,tomcat,gf3 minimum) and configure these settings at application level within the container. My code does this: InitialContext ctx = new InitialContext(); Context envCtx = (javax.naming.Context) ctx.lookup("java:comp/env"); token = (String)envCtx.lookup("token"); ds = (DataSource)envCtx.lookup("jdbc/datasource") Let's assume I've used the glassfish management interface to create two jdbc resources: jdbc/test-datasource and jdbc/live-datasource which connect to different copies of the same schema, on different servers, different credentials etc. Say I want to deploy this to glassfish with and point it at the test datasource, I might have this in my sun-web.xml: ... <resource-ref> <res-ref-name>jdbc/datasource</res-ref-name> <jndi-name>jdbc/test-datasource</jndi-name> </resource-ref> ... but sun-web.xml goes inside my war, right? surely there must be a way to do this through the management interface Am I even trying to do the right thing? Do other containers make this any easier? I'd be particularly interested in how jetty 7 handles this since I use it for development. EDIT Tomcat has a reasonable way to do this: Create $TOMCAT_HOME/conf/Catalina/localhost/webapp.xml with: <?xml version="1.0" encoding="UTF-8"?> <Context antiResourceLocking="false" privileged="true"> <!-- String resource --> <Environment name="token" value="value of token" type="java.lang.String" override="false" /> <!-- Linking to a global resource --> <ResourceLink name="jdbc/datasource1" global="jdbc/test" type="javax.sql.DataSource" /> <!-- Derby --> <Resource name="jdbc/datasource2" type="javax.sql.DataSource" auth="Container" driverClassName="org.apache.derby.jdbc.EmbeddedDataSource" url="jdbc:derby:test;create=true" /> <!-- H2 --> <Resource name="jdbc/datasource3" type="javax.sql.DataSource" auth="Container" driverClassName="org.h2.jdbcx.JdbcDataSource" url="jdbc:h2:~/test" username="sa" password="" /> </Context> Note that override="false" means the opposite. It means that this setting can't be overriden by web.xml. I like this approach because the file is part of the container configuration not the war, but it's not part of the global configuration; it's webapp specific. I guess I expect a bit more from glassfish since it is supposed to have a full web admin interface, but I would be happy enough with something equivalent to the above.

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• qmail questions - whitelisting and relays

  - by Richard

  My new server runs qmail, which I've never used before. There is no inbound mail on the server (all the clients have mail hosted elsewhere, but some systems on the server send mail. I'm about to move a client there who has several parked domains, and looking at the smtp log, the server is already blocking many attempts to relay spam using one of the parked domain names (probably because a related domain is already hosted there). How do I ensure those mails stay blocked, while allowing legitimate addresses to send out? Server OS is CentOS and hosting software is Kloxo.

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• Anyone knows an IMAP proxy, single client to multiple servers?

  - by Didier Trosset

  I am looking for an IMAP proxy that would allow me to use it as a single server from my mail reader. But behind the scenes, I'd like this proxy to act as a client to my 3 email accounts IMAP servers transparently. In the end, I want my mail client to show a single INBOX with all the mail from the 3 servers'INBOXES. +-- IMAP --> MailServer0 MailClient -- IMAP --> PROXY --+-- IMAP --> MailServer1 +-- IMAP --> MailServer2 Anyone knows about such a piece of software?

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• Is there software that will help me convert my PST files into a searachable web archive?

  - by chronoz

  I have used POP3 for many and many years and always used PST files for back-up purposes. I'd like to be able to create a searchable mail archive of this 12GB worth of e-mail. I had used Horde + Qmail for a while for searching e-mail, but it was truly horrible and even extremely slow when searching into a few ten thousands of e-mails, let alone more than a million. I would prefer a free solution that would provide fast searching through historical e-mails. Also, preferably hosted on a server, so I don't have to worry about backing up any more crucial data on my desktop.

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• Beginning with event listeners

  - by terence6

  I have a simple app, showing picture made of tiled images(named u1, u2,...,u16.jpg). Now I'd like to add some Events to it, so that I can show these images only when proper button is clicked. I've tried doing it on my own, but it's not working. Where am I doing something wrong? Original code : import java.awt.GridLayout; import javax.swing.*; import javax.swing.border.BevelBorder; public class Tiles_2 { public static void main(String[] args) { final JFrame f = new JFrame("Usmiech"); JPanel panel = new JPanel(new GridLayout(4, 4, 3, 3)); JLabel l = new JLabel(); for (int i = 1; i < 17; i++) { String path = "u"+ i+".jpg"; l = new JLabel(new ImageIcon(path)); l.setBorder(BorderFactory.createBevelBorder(BevelBorder.RAISED)); panel.add(l); } f.setContentPane(panel); f.setSize(300, 300); f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); f.setVisible(true); } } New code : import java.awt.GridLayout; import javax.swing.*; import javax.swing.border.BevelBorder; import java.awt.event.*; public class Zad_8_1 implements ActionListener { public void actionPerformed(ActionEvent e) { JButton b = (JButton)(e.getSource()); String i = b.getText(); b = new JButton(new ImageIcon("u"+i+".jpg")); } public static void main(String[] args) { final JFrame f = new JFrame("Smile"); JPanel panel = new JPanel(new GridLayout(4, 4, 3, 3)); JButton l = null; for (int i = 1; i < 17; i++) { String path = "u"+ i+".jpg"; l = new JButton(""+i); l.setBorder(BorderFactory.createBevelBorder(BevelBorder.RAISED)); l.setSize(53,53); panel.add(l); } f.setContentPane(panel); f.setSize(300, 300); f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); f.setVisible(true); } } This should work like this : http://img535.imageshack.us/img535/3129/lab8a.jpg

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• How to send a batch file by email

  - by MikeL

  Trying to send a batch file as an email attachment, I get the following error: mx.google.com rejected your message to the following e-mail addresses: [email protected] mx.google.com gave this error: Our system detected an illegal attachment on your message. Please visit http://support.google.com/mail/bin/answer.py?answer=6590 to review our attachment guidelines. q42si10198525wei.6 Your message wasn't delivered because the recipient's e-mail provider rejected it. This also happens if I place the batch file in a .zip archive. I need to send a batch file to everyone at my company for them to run, preferably without having to change file extensions first. Is this possible by email?

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• Postfix configuration: different outgoing hosts based on sender

  - by Joe

  I've seen a few answers to this on the web, but nothing definitive nor any good examples. I relay all my mail out through Postfix, currently everything sent to my ISP's mail server. However, there are a few users with gmail accounts or gmail-hosted accounts; I'd like to route their outgoing mail through Google's servers (since it will then appear in their Gmail sent folder). All email NOT from one of these senders should go out through the default relayhost. I believe I need to use the "sender_dependent_default_transport_maps" configuration within Postfix, but can't find a good example on what this setup looks like. Can anyone point me at a specific setup?

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• How to Determine the WSDL that will be Emitted for a Given Java Web Service?

  - by guptamukul

  Please tell me how to write wsdl file of service developed in java. For example: package fromjava.server; import javax.jws.WebService; import javax.jws.WebMethod; @WebService public class AddNumbersImpl { @WebMethod(action="addnumbers") public int addNumbers(int number1, int number2) { return (number1+number2); } } this is a web service....so what will be the corresponding wsdl file? if u guys have any tutorial then please help me out.

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• How to Configure Sendmail / Webmin for second IP?

  - by user310594

  Hi, LAMP Centos5.4 Webmin Until recently I have had all domains using "server1.example.com" Now I have newdomain.com on second.ip.address.works (works for DNS that is) Please tell me how to setup sendmail so the mail is sent from the second ip address? This is new for me: IF I need to create a second server called "server2.domain2.com", then please tell exactly how since I'm only experienced with one server per VPS. Whether "server2.domain2.com" needs to be created or not, here is exactly what is needed: # Mail being sent from domains using ns1.example.com needs to be sent from that server and that IP. Mail being sent from domains using nsother.example2.com sent from that IP + how to set up the second server / hostname, if needed. Thank you.

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