how to troubleshoot email

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How to set up Discuzx3.1 email sending

Discuzx2.5 the background email setting method is basically the same as X2/x1.5, but many people do not pay attention to some details. for example, if there is more space for copying, the server has enabled the firewall, the mailbox system cannot be

Email server problems-solution to email backlog and delivery delay

Symptom description:Email server A and email server B are set at the front-end. After the front-end receives the email, it is delivered to the mailbox in the backend server. After receiving the external email, the front-end cannot deliver the email

Discuz! X3.0 background detection email prompt: Solution to the error message returned by mail sending

Many of you encountered the problem that Discuzx3.0 could not be sent, and the background mailbox sent a detection prompt: an error message was returned. Now I will share with you how to troubleshoot configuration errors in QQ Enterprise mailbox, QQ

Troubleshoot problems that cannot open the/data directory in Android7.1.1

Disclaimer: This technique draws on the 1190000008416511 article of this great GodFirst, copy the Android SDK installation directory Platform-tools path;Second, win+r input cmd into the command prompt;Third, switch to the Platform-toos path just

Troubleshoot excessive number of TCP connections

Troubleshoot excessive number of TCP connectionsTCP state Migration, Close_wait & Fin_wait2 IssuesTCP State MigrationEveryone to netstat-a command very familiar, but, you have not noticed the state of a column, basically shows the

Enable PHP mail () function in Ubuntu and troubleshoot sending mail slow, ubuntu email _php Tutorial

Enable the PHP mail () function in Ubuntu and troubleshoot sending mail slow issues, Ubuntu send mail If you need to use the PHP mail () function to send mail, it is necessary for the server to install the SendMail component to support, this is in

Typical Cases of email server troubleshooting

Email server fault symptom description: Email server A and email server B are set at the front-end. After the front-end receives the email, it is delivered to the mailbox in the backend server. After receiving the external email, the front-end

MySQL note-The simplest way to troubleshoot problems that cannot find the Mysqld.sock file

First of all, the environment: Ubuntu 14.04, installed in a apt-get way, manual installation may have a slightly different path setting.1, after the installation of MySQL, the first time with the command line to find the Mysqld.sock file is not

How to troubleshoot Apache Startup error: Could not reliably determine the server ' s fully qualified domain name

Start Apache encountered error: Httpd:could not reliably determine the server ' s fully qualified domain name[[email protected] httpd-2.2.4]#/usr/local/apache/bin/apachectl startHttpd:could not reliably determine the server ' s fully qualified

Kubernetes Create pod always in containercreating troubleshoot and resolve

After creating the pod with k8s, I found that I could not access the demo application, checked the pods status, and found all in the Containercreationg state.Baidu a bit, according to the method on the Internet, check the MYSQL-JN6F2 this pods

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