[HOWTO] Moving Mails Through IMAP
Posted by Mr. IT Guy | Filed under Howto, IT in General, Linux, Mac OSX, Microsoft
There are thousands of clients out there with thousands of different databases used to save e-mails. Not all database files are compatible with one another. The most notorious of the bunch is PST. I got this idea after reading this article from HowToForge.com. The article mention conversion of PST to Maildir format only, but this can be extended to much more than that.
The most important thing that you need is an IMAP server. You can build the server yourself on a Linux by following the instruction on the link above at HowToForge.com, or from your ISP. Most ISP provides mailboxes with IMAP access. After you have the connection to your IMAP provider, everything is just a drag and drop. In Outlook, you can drag and drop e-mails or folders to the IMAP server. On the new client, you just do the opposite, drag and dropping from the IMAP server to the new client of choice.
[HOWTO] pktstat – Monitor Your Bandwdith Usage
Posted by Mr. IT Guy | Filed under Howto, Linux
pktstat is used to monitor bandwidth per connection. Instead of bandwidth per interface, this “top” like software will allow you to see what connection is established, and what data is retrieved. For HTTP traffic, it also shows what is the path for the file that’s being accessed and how much bandwidth (in bps/Bps and %) that is used by that file. Read the rest of this entry »
[HOWTO] Tunnel HTTP traffic through SSH
Posted by Mr. IT Guy | Filed under Featured, Linux, Microsoft, Review
I just found out an easy way to beat most web/content-filtering system (provided SSH traffic is not blocked). SSH is a good choice because it’s natively installed on most Linux and Mac system. Windows user can download a small software called Putty, which can run without being installed. SSH server also available on almost all Linux server as well as some Linux based routers. Here’s how to do it in Windows:
- Download Putty and Run
- Type in the IP of Linux box or other SSH server you have access to and make sure the port is correct too
- Under the tab “Connection –> SSH –> Tunnel” set a local source port *preferrably random number above 1024*
- Under destination choose “Dynamic” and “Auto”
- Then click open
- Open IE or Firefox and find the proxy configuartion
- Set your localhost as the SOCKS proxy server and the port is the local source port you choose on Step 3
NOTE: On Firefox choose SOCKS v5, and on IE include “localhost, 127.0.0.1″ as the addresses exempted by the proxy
That’s all needs to be done.
UPDATE:
For those who wants to use it with IM services like MSN, here’s what you need to do:
- Goto Tools -> Options -> Connection
- Click on Advanced Settings
- On SOCKS type 127.0.0.1 and click Test
Tags: encryption, Linux, mac, Microsoft, ssh, tools, windows
Importance of PTR Record for Mail Server
Posted by Mr. IT Guy | Filed under Howto, IT in General, Linux, Microsoft
I have just realized why PTR record is really important. Many different people set different security settings on my mail server. What happen is that I found my mail server is rejected by several server because it’s missing PTR record. When my mail server connect to remote mail server, they only know my IP. In order to confirm my identity, they do a reverse lookup on my IP address to make sure that I’m sending on behalf of my domain only. This is one of the method to reduce spam, but it was causing havoc on my mail server. On the bright side, only several mail server are doing this.