configuration of smtp| server SMTP
SMTP Simple Mail Transfer Protocol, which sends messages on a LAN or over the Internet. Consider setting up an SMTP virtual server for the nt2000.com domain as an example of how to configure an SMTP server.
Step 1
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
SSL-based javamail
Recently, a project needs to support SSL-based javamail to send and receive emails. After some investigation, the javamail method using SSL is summarized as follows.Javamail providers lack support for SSL connections. Therefore,
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
Port number---The identification number of the application software that has network functionality. Note that the port number is not fixed, that is, it can be manually assigned by the user (and, of course, is generally defined when the software is
In this article, I'll introduce you to the communication ports used by various Exchange servers (ExchangeServer) components of Microsoft's development, so that you know which ports can be shut down and which ones must remain open for better security.
In this article, I'll introduce you to the communication ports used by various Exchange servers (ExchangeServer) components of Microsoft's development, so that you know which ports can be shut down and which ones must remain open for better security.
Agreement
Port
Describe
Smtp
Tcp:25
The SMTP service uses TCP port 25.
Dns
tcp/udp:53
DNS listens on port 53. The domain controller uses this port.
Lsa
tcp:691
Port
Agreement
Application protocols
System service Name
N/A
Gre
GRE (IP protocol 47)
Routing and Remote Access
N/A
Esp
IPsec ESP (IP protocol 50)
Routing and Remote Access
N/A
Web sites Chrome,firfox The following ports are inaccessible, so you should avoid the following ports when configuring your own sites:Tcpmux 7,//Echo 9,//Discard,//systat,//daytime,//netstat,//QOTD,//ch Argen,//FTP data,//FTP access,//SSH,//Telnet,//
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