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Most email service providers limit the maximum email size that can be sent or received by an account. But it’s actually a necessary restriction – otherwise, emails can be easily exploited by being flooded with very large emails. If you try to send an email that exceeds the maximum limit of the recipient, it will bounce off and you’ll receive an error
There are plenty of reasons you would need to add secondary IP addresses (and everyone agrees that SEOis not one of them). Getting a secondary IP address is a simple process if it is done for the right reasons and done correctly. You do NOT need additional NIC cards but you will be creating virtual adapters as the secondary IP
To Change the SSH Port for Your Linux Server Connect to your server via SSH Switch to the root user Run the following command:vi /etc/ssh/sshd_config Locate the following line:# Port 22 Remove # and change 22 to your desired port number. Restart the sshd service by running the following command:service sshd restart
You have to create a file with the extension .sh put this as the first line Code: #!/bin/sh and then just write the rest like writing a .bat file except with the new syntax after that, save and run Code: chmod +x (filename).sh to run the script, just type in Code: ./(filename).sh
1- Disabling NetworkManager CentOs 7 The following steps will disable NetworkManager service and allows the interface to be managed only by network service. 1. To check which are the interfaces managed by NetworkManager # nmcli device status This displays a table that lists all network interfaces along with their STATE. If Network Manager is not controlling an interface, its STATE
Here is a comprehensive list of default username and passwords for most of the VMware products. If you’re like me, you tend to get alot of these confused. If I left any off, please let me know in the comments. Horizon Application Manager http://IPorDNS/SAAS/login/0 http://IPorDNS Horizon Connector https://IPorDNS:8443/ vCenter Appliance Configuration https://IPorDNS_of_Server:5480 username: root password: vmware vCenter Application Discovery Manager
Default max file size limit that can be sent and received in cPanel (Exim Mail Server) is 50 MB, and How to Limit Maximum Email Size or Email Attachment ? To Limit Maximum Email Size do the following, Login to cPanel/WHM as root Under Service Configuration, Click “exim Configuration Manager” Click “Advanced Editor” Scroll down and Click “Add additional Configuration
If you’re receiving messages saying an email has bounced, or is “undeliverable”, and you’re sure that the email could not have come from you (or malware on your computer/server), then you’re receiving backscatter. If you’re using Exim, you can make the following change to cut down the amount of backscatter you receive: Go to WHM »Service Configuration »Exim Configuration Manager
ervers can automatically perform tasks that you would otherwise have to perform yourself, such as running scripts. On Linux servers, the cron utility is the preferred way to automate the running of scripts. In this article we’ll cover how to view the jobs scheduled in the crontab list. For an introduction to Cron check-out our KB: How To: Automate Server