postfix troubleshooting

In linuxas5.5, test postfix + cyrus-imap + cyrus-sasl -- Linux Enterprise Application-Linux server application information. For details, see the following. Test environment: Cat/proc/version Linux version 2.6.18-194. el5xen [Root @ mail ~] # Rpm-qa | grep sasl Cyrus-sasl-plain-2.1.22-5.el5_4.3 Cyrus-sasl-lib-2.1.22-5.el5_4.3 Cyrus-sasl-md5-2.1.22-5.el5_4.3 Cyrus-sasl-2.1.22-5.el5_4.3 Cyrus-sasl-devel-2.1.22-5.el5_4.3 [Root @ mail ~] # Rpm-qa | grep

This is an interesting question: Why?PostfixWhat about it? Is sendmail okay? ! ! Speaking of this, we need to talk about the origins of postfix! Postfix was developed by Mr. Wietse Zweitze Venema (http://www.porcupine.org/wietse. Early mail servers were all set up using sendmail. They were really the only one. There was no semicolon! However, Dr. Venema thinks that although sendmail is easy to use, it is no

In centos, the default Mail Server (SMTP) is sendmail, but Sendmail has several disadvantages, such, the configuration is complex and security vulnerabilities have been discovered for many times-and there are still hidden risks, and the mail sending speed is slow. Here we will not describe them one by one. Another "Postfix" widely used in mail services has fewer disadvantages, or is designed for Sendmail. Corresponding to the Sendmail's short position

Postfix email service configuration and application 1-Linux Enterprise Application-Linux server application information. The following is a detailed description. The email service is based on the c/s mode. For a complete email system, it consists of three parts: User proxy, email server, and email protocol. Currently, the main protocols used are SMTP, POP3, and IMAP4. POP3 and IMAP4 are used to receive emails. We can regard IMAP4 as a remote file serv

First, the CYRUS-SASL-based authentication function is opened for postfix.Modify the/etc/sysconfig/saslauthd file in theMech=pamSwitchMech=shadowStart SASLAUTHDService SASLAUTHD StartVerify that you can use the account password on the system to authenticateTestsaslauthd-u user-p passwdIf authentication passes, then prompt: 0,ok, "Success",Authentication failure will prompt: 0,no, "Authentication failed", at this time check the causeThere may be two, one is the option in the configuration file is

The first chapter of the experimental environment Hardware environment:Linux server one, IP address: 192.168.80.10;WIN7 client one, with OUTLOOK2013, test, and server in the same LAN. Linux system environments, such as: Chapter II Experimental ContentOne: Build a DNS serverSecond: Build Postfix server and generalThree: General receiving letterFour: Certification receivedFive: SquirrelMail send and receive mail (build Web mail)Six: Ma

Postfix mail system installation and configuration: Postfix,cyrus-imap,cyrus-sasl,dovecot and SPFhttp://www.freehao123.com/postfix-cyrus/Install postfix under centos Send mail tutorialhttp://www.wpmee.com/lnmp1-0-centos-postfix/CentOS install

This article main reference: Http://serverfault.com/questions/258469/how-to-configure-postfix-to-pipe-all-incoming-email-to-a-script???? During the Postfix mail server Setup, it is sometimes hoped that postfix will be able to move to execute a specific script after receiving the message. Similar to the actual function has, mail automatic reply program, mail conte

First, experimental Steps and ResultsFirst Stage Deploying the Postfix messaging System Hostname OS Ip Software Www.benet.com CentOS-6.5 10.0.0.2 Yum install-y CYRUS-SASL Cyrus-sasl-develPostfix-2.9.4.tar.gz/dovecot-2.1.10.tar.gz Shut down firewall: Service iptables stopPre-compilation configuration, uninstalling SendMail, installing the Cyrus package[email protected]/]# Yum remov

System and software installation: 1. debian4.02. Postfix (MTA) provides SMTP function3. postfix-mysql provides Postfix to MySQL ing support4. MySQL user database storage5. Dovecot (POP3 + IMAP + SASL) provides POP3 + IMAP + (smtp sasl)6. amavisd-New libclass-DBI-mysql-perl spamassassin ClamAV-daemon cpio ARJ zoo nomarch lzop cabextract Pax LHA unrarSpam concerns

Postfix is a mailbox sending system in linux. We often use it to replace the sendmail command. Let's take a look at how to deploy multiple Content filters in postfix. The Postfix mail server can use content_filter to scan emails (viruses, advertisements, etc.) when receiving emails ). by integrating a centralized email content filter, such as amavis or mailvert,

Postfix is intended for a wide range of Internet users, trying to affect most Internet email systems, so it is free of charge. Let's take a look at the specific implementation of Postfix mail. 1. Obtain the source code package of the Postfix via the postfix emailFrom postfix

Postfix script configuration #! /Bin/bash # This is a email server configure script POSTFIX =/etc/postfix/mian. cf defines the location of the mail configuration file DOVECOT =/etc/dovecot. conf defines the mail pop3 configuration file location POSTFIXMBER = 26 value returned when a syntax error is checked PROT = $ (lsof-I: 25 | awk 'nr = 2 {print $1} ') defines

I. Installation of postfix Mail Service Red Hat Enterprise Linux offers sendmail and postfix two kinds of stmp mail service software, allowing users to choose one of them at random! However, by default, Setup has installed SendMail on the system, and if you want to use Postfix, you must stop the SendMail service before you install the

The MX record may take effect for a period of time (usually several minutes or tens of minutes, or immediately) after it is added. Therefore, before you install the configuration, first, we add the domain name. because the MX record may take effect for a period of time (usually several minutes or tens of minutes, it may take effect immediately), before you install the configuration, first, add an MX record for the domain name. The method for adding a domain name may vary with the domain name ISP

Centos7+postfix+dovecot for MessagingWhen it comes to mail systems, there are many, such as Microsoft's Exchange, Office365, IBM Lotus, and the mainstream third-party messaging system. Of course, these are fees, if for small environment use, can use Linux under the deployment of Postfix+dovecot to achieve mail transceiver, of course, there are many services under Linux to achieve mail delivery, today we mai

Postfix email server setup 04-final, postfix04-Final It was originally intended to provide a full range of installation documents for postfix. However, when I checked a knowledge point, I accidentally found a full set of postfix articles that I had already written. After reading all the articles, I was amazed, I think: in general, it will be better than what I wa

Postfix why things, see: Http://zh.wikipedia.org/wiki/Postfix0. About PostfixThe postfix was created to replace the traditional sendmail. Compared to Sendmail,postfix in speed, performance and stability are better. Now a lot of mainstream mail service is actually using Postfix. Pos