Home Operation and Maintenance CentOS What should I do if centos mail cannot be used?

What should I do if centos mail cannot be used?

Jan 17, 2022 am 11:00 AM
centos mail

The solution to centos mail not working: 1. Add a domain name; 2. Find "#Dj$w.Foo.COM" and change it to "Djtest.com"; 3. Restart the sendmail service.

What should I do if centos mail cannot be used?

The operating environment of this article: centos 6.4 system, Dell G3 computer.

What should I do if centos mail cannot be used?

Solutions to centos mail that cannot send emails:

Recently, centos 6.4 suddenly cannot send emails Email, I can’t receive the email even if I test it directly with the mail command

The following is the result after referring to the experience of the heroes

# yum install -y sendmail 
# yum install -y sendmail-cf 
m4 /etc/mail/sendmail.mc > /etc/mail/sendmail.cf  //生成配置文件
Copy after login

Sendmail email domain configuration

# vi /etc/mail/local-host-names,添加 test.com //添加域名
# vi /etc/mail/submit.cf,找到行 #Dj$w.Foo.COM,修改为 Djtest.com //
 
#service sendmail restart    重启sendmail服务, 如果不是马上就重启了,可能需要配置下hosts
Copy after login

vim /etc/hosts
Copy after login

plus

127.0.0.1    xiaofei.    xiaofei  //xiaofei是主机的名称
 
 
#echo test| mail -s "test"  your_email@site.com  //测试发送邮件,检查一下是否能收到邮件
Copy after login

-------------

If from php When calling, in php.ini sendmail_path = "/usr/sbin/sendmail -fxx@xx.com -t -i " //The red letters represent the customized sender address..

If not Specify that when receiving the email, you will find that the email comes from apache@xx.com. apache is the system user of the server (apache or nginx, etc.). There may be other methods, but I haven’t found it yet....

Recommended tutorial: "centos tutorial"

The above is the detailed content of What should I do if centos mail cannot be used?. For more information, please follow other related articles on the PHP Chinese website!

Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

Video Face Swap

Video Face Swap

Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Tools

Notepad++7.3.1

Notepad++7.3.1

Easy-to-use and free code editor

SublimeText3 Chinese version

SublimeText3 Chinese version

Chinese version, very easy to use

Zend Studio 13.0.1

Zend Studio 13.0.1

Powerful PHP integrated development environment

Dreamweaver CS6

Dreamweaver CS6

Visual web development tools

SublimeText3 Mac version

SublimeText3 Mac version

God-level code editing software (SublimeText3)

What are the backup methods for GitLab on CentOS What are the backup methods for GitLab on CentOS Apr 14, 2025 pm 05:33 PM

Backup and Recovery Policy of GitLab under CentOS System In order to ensure data security and recoverability, GitLab on CentOS provides a variety of backup methods. This article will introduce several common backup methods, configuration parameters and recovery processes in detail to help you establish a complete GitLab backup and recovery strategy. 1. Manual backup Use the gitlab-rakegitlab:backup:create command to execute manual backup. This command backs up key information such as GitLab repository, database, users, user groups, keys, and permissions. The default backup file is stored in the /var/opt/gitlab/backups directory. You can modify /etc/gitlab

Centos shutdown command line Centos shutdown command line Apr 14, 2025 pm 09:12 PM

The CentOS shutdown command is shutdown, and the syntax is shutdown [Options] Time [Information]. Options include: -h Stop the system immediately; -P Turn off the power after shutdown; -r restart; -t Waiting time. Times can be specified as immediate (now), minutes ( minutes), or a specific time (hh:mm). Added information can be displayed in system messages.

How to optimize CentOS HDFS configuration How to optimize CentOS HDFS configuration Apr 14, 2025 pm 07:15 PM

Improve HDFS performance on CentOS: A comprehensive optimization guide to optimize HDFS (Hadoop distributed file system) on CentOS requires comprehensive consideration of hardware, system configuration and network settings. This article provides a series of optimization strategies to help you improve HDFS performance. 1. Hardware upgrade and selection resource expansion: Increase the CPU, memory and storage capacity of the server as much as possible. High-performance hardware: adopts high-performance network cards and switches to improve network throughput. 2. System configuration fine-tuning kernel parameter adjustment: Modify /etc/sysctl.conf file to optimize kernel parameters such as TCP connection number, file handle number and memory management. For example, adjust TCP connection status and buffer size

Difference between centos and ubuntu Difference between centos and ubuntu Apr 14, 2025 pm 09:09 PM

The key differences between CentOS and Ubuntu are: origin (CentOS originates from Red Hat, for enterprises; Ubuntu originates from Debian, for individuals), package management (CentOS uses yum, focusing on stability; Ubuntu uses apt, for high update frequency), support cycle (CentOS provides 10 years of support, Ubuntu provides 5 years of LTS support), community support (CentOS focuses on stability, Ubuntu provides a wide range of tutorials and documents), uses (CentOS is biased towards servers, Ubuntu is suitable for servers and desktops), other differences include installation simplicity (CentOS is thin)

What are the common misunderstandings in CentOS HDFS configuration? What are the common misunderstandings in CentOS HDFS configuration? Apr 14, 2025 pm 07:12 PM

Common problems and solutions for Hadoop Distributed File System (HDFS) configuration under CentOS When building a HadoopHDFS cluster on CentOS, some common misconfigurations may lead to performance degradation, data loss and even the cluster cannot start. This article summarizes these common problems and their solutions to help you avoid these pitfalls and ensure the stability and efficient operation of your HDFS cluster. Rack-aware configuration error: Problem: Rack-aware information is not configured correctly, resulting in uneven distribution of data block replicas and increasing network load. Solution: Double check the rack-aware configuration in the hdfs-site.xml file and use hdfsdfsadmin-printTopo

Centos configuration IP address Centos configuration IP address Apr 14, 2025 pm 09:06 PM

Steps to configure IP address in CentOS: View the current network configuration: ip addr Edit the network configuration file: sudo vi /etc/sysconfig/network-scripts/ifcfg-eth0 Change IP address: Edit IPADDR= Line changes the subnet mask and gateway (optional): Edit NETMASK= and GATEWAY= Lines Restart the network service: sudo systemctl restart network verification IP address: ip addr

How to install mysql in centos7 How to install mysql in centos7 Apr 14, 2025 pm 08:30 PM

The key to installing MySQL elegantly is to add the official MySQL repository. The specific steps are as follows: Download the MySQL official GPG key to prevent phishing attacks. Add MySQL repository file: rpm -Uvh https://dev.mysql.com/get/mysql80-community-release-el7-3.noarch.rpm Update yum repository cache: yum update installation MySQL: yum install mysql-server startup MySQL service: systemctl start mysqld set up booting

Centos stops maintenance 2024 Centos stops maintenance 2024 Apr 14, 2025 pm 08:39 PM

CentOS will be shut down in 2024 because its upstream distribution, RHEL 8, has been shut down. This shutdown will affect the CentOS 8 system, preventing it from continuing to receive updates. Users should plan for migration, and recommended options include CentOS Stream, AlmaLinux, and Rocky Linux to keep the system safe and stable.

See all articles