Uploading files to your Debian mail server is an ongoing task that may be completed using PuTTY is flexible Windows terminal emulator. PuTTY itself do not transfer files, using Secure Copy Protocol (SCP) over SSH to ensure a safe and efficient file transfer. In this article, we will go through how to use PuTTY to transmit files to your Debian mail server, allowing for a smooth data exchange with the server.

In addition to file transmission, PuTTY also used in establishing secure connections, such as connecting from a Windows EC2 Instance to an RDS Database

Download and install PuTTY:

Download and install PuTTY on your local computer, if you don’t have.

Configure PuTTY connection:

Open PuTTY configuration Window, enter Debian mail server username or IP address under the Hostname section.

Set the connection type to SSH and port to 22.

Establish the connection:

To begin the connection, click the "Open" button.

Enter the username and password when prompted.

Navigate the PSCP:

Open the command prompt to navigate the pscp. PSCP is part of the PuTTY suite. Run command:

cd path to/pscp.exe

Remove the path to with the exact path of pscp file.

Upload the File via SCP:

Use the pscp command to upload the file to Debian server, run command:

pscp path to/local file username@IPaddress:/path to/destination 

Replace path to/local file with the local file path which is upload, 

username with your username on Debian server,

 IPaddress with the server username or IP address, 

/path to/destination with the server destination path where file is uploaded.

Now you have successfully upload the file on Debian server from local system. by using PuTTY PSCP.

Sometime you will face error during trasnfer like Connection timeout, server don't accept singnature and troubleshoting them is necessory.