postfix filter outgoing mail

[Email protected] [Email protected]#postmap/ETC/POSTFIX/SENDER_BCC#postmap/ETC/POSTFIX/RECIPIENT_BCC#/etc/init.d/postfix Reload2. How to use ALWAYS_BCC# VI/ETC/POSTFIX/MAIN.CF #增加下面一行ALWAYS_BCC = [email protected]#/etc/init.d/postfix Reload======================Three setting

of the MTA host is to collect incoming letters from the client or other MTA, at this time the MTA is using simple Mail Transfer Protocol (SMTP), which uses port 25.2) transmitting lettersIf the destination of the letter is not the user, and the relevant data of the letter complies with the power of the MTA, then the MTA transmits the letter to the next host. This is the function of the so-called transmitting (Relay).3) Respond to user's request for c

interface on your mail host, and you do not want all of your network interfaces to be open Postfix services, you can use the hostname to specify which network interfaces you want to open. Typically, however, all network interfaces are open to receive messages from any network interface, and the value of the Inet_interfaces parameter is set to "all" as follows: Inet_interfaces = All Security settings host

The Postfix mail server can use Content_filter to scan messages (viruses, ads, etc.) when receiving mail. By consolidating a centralized e-mail content filter, such as Amavis or Mailscanner, Postfix can use a single call for multi

The Postfix mail server can use Content_filter to scan messages (viruses, ads, etc.) when receiving mail. By consolidating a centralized e-mail content filter, such as Amavis or Mailscanner, Postfix can use a single call for multi

1. ComponentsOperating system centos5.4Postfix:mtaCLAMD: Anti-Virus engineSpamAssassin: Anti-spamAmavisd-new: Middleware between the Mail proxy Server (MTA) and antivirus softwareFail2ban: Preventing mailbox Brute Force cracking2. Working principle650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M02/59/E0/wKioL1TukjbQ14n5AAC9vajd2qY593.jpg "title=" principle. jpg "alt=" Wkiol1tukjbq14n5aac9vajd2qy593.jpg "/>Step one:

ExperimentYou need to install the DNS service to do domain name resolution before installing the mail system:To install and configure the DNS service, refer to: http://9067358.blog.51cto.com/9057358/1616971To make a mail exchange record on the DNS service:650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M02/5B/3C/wKioL1UC9Qei8XJJAACM4uJu5iQ046.jpg "title=" 1.jpg " alt= "Wkiol1uc9qei8xjjaacm4uju5iq04

1. Test AMAVISD Port 10024postfix send mail to content filter amavisd:10024[[Email protected] ~]# telnet localhost 10024Trying:: 1...Connected to localhost. Escape character is ' ^] '. [:: 1] ESMTP amavisd-new service Readyehlo localhost250-[::1]250-vrfy250-pipelining250-size250-enhancedstatuscodes250-8bitmime250-dsn250 xforward NAME ADDR PORT PROTO HELO IDENT SOURCEquit221 2.0.0 [:: 1] amavisd-new closing

The common form of SMTP letter authentication is as follows: When a user sends a message to an external mail domain through the SMTP protocol, the server asks the user to provide a user account and password to authenticate, and only successful authenticated users are allowed to send messages externally, or they will reject the letter request. In the Postfix messaging system, you can use the Cyrus SASL soft

Elementary: add the sender, acceptor, and email alias to implement the mail group function. We all know that the mail server has two servers, namely two ports, one is the sending port and the other is the receiving port. We usually use the process of sending and receiving emails, the server opens two ports for us to use. We are not operating the mail server, but

/images/localimage.png ") no-repeat center;border:1px solid #ddd;" alt= "Spacer.gif"/> did not succeed ".Let's roll it out here, why? Online said the amount to cooperate with companitily (Compatibility Pack) + Change_pass are all flicker. Simple is you on a Web page to modify the important system files/etc/passswd more reliable (centos4.x system security is not perfect, you know, now centos7.x ... ）。 Fully understandable, but the tragedy is, I do not understand mysql....ldap is basically a squir