what tcp port smtp use

Keyword: VC ++ SMTP protocol Email Delivery analysis this article introduces a method to implement Email Delivery in a program using SMTP protocol specifications and using SMTP protocol commands directly. Some key implementation code is provided in

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

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

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

mail server server documentation domain login command Directory (?) [+] SMTP Protocol Analysis     1th Chapter.  SMTP Overview 1.1. The location of SMTP in mail communication SMTP, the Simple Mail delivery protocol, corresponds to the RFC document

Document directory Install the SMTP service on IIS 6.0 Start IIS manager from the "run" dialog box Start IIS manager from the Management Service Console Default settings ASP. NET Configuration Content type: Devdiv1. Transform:

Original SMTP authorization code and working principle [transfer]-One-Stop Conversion Http://www.chinaunix.net Author: tutux published at: 16:41:54 [Comment] [View Original] [mail server discussion board]

ExploitationSMTPVirtual Server implementationDifferent Communication between email systems Tutorial Background: Currently, there are two companies, xiaonuo and dreamfire. The domain environment is deployed and Exchange 2003 is installed.

How to find the opened port and how to close the port The computer "Port" is an English port translation, which can be considered as an exit for communication between the computer and the outside world. The ports in the hardware field are also

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