The computer ports are as follows:
0 Port: Invalid port, typically used to analyze operating system
1 Port: Transmission Control Protocol port Service multi-Switch Selector
2 Port: Management utility
3 Port: Compression process
5 Port: Remote
View the complete version: [-- Port details and how to enable and disable ports --]
I went to trustnet-platinum Network Management-Internet-Software Development-> Windows-> port explanation and how to enable port
Original address: http://www.moon-soft.com/download/info/2826.htm
Port: 0Service: ReservedDescription: Typically used to analyze the operating system. This method works because in some systems "0" is an invalid end, you will have different results
We can actually set up a small mail server to meet our needs through the POP3 service and SMTP service provided by Windows Server 2003.
First, install POP3 and SMTP service components
Windows Server 2003 does not have the POP3 and SMTP service
Python's Smtplib provides a convenient way to send e-mail. It is a simple encapsulation of the SMTP protocol.
The basic commands for the SMTP protocol include:
HELO identify the user identity to the serverMail initiate message transfer mail
There are a number of factors to consider when sending mail, including sending mail clients (generic encoding implementations), sending and receiving mail server settings, and so on. If you use a third-party mail server as the sending server, you
Windows Server 2003 building a mail serverBecause Windows Server 2003 defaults to not installing the POP3 and SMTP services we need to build our mail servers, we need to install them ourselves. Here's how:1. Place the Windows Server 2003 System CD
TCP/UDP Common port number
7 Echo (PING)9 DiscardDaytimer19 Word Fuzhou Builder20/TCP FTP Data21/TCP FTP Control File Transfer Protocol22/TCP SSH Secure Login, File transfer (SCP), and port redirection23/tcp Telnet Unsafe Text transfer25/tcp SMTP
The history of email is longer than the web, until now, email is also a very broad application of the Internet services.
Almost all programming languages support sending and receiving e-mail, but wait, before we start coding, it's important to
As you know, the mail server system consists of three components, the POP3 service, the Simple Mail Transfer Protocol (SMTP) service, and the e-mail client. The POP3 service is used in conjunction with the SMTP service, POP3 provides the user with a
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.