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How to setup SMTP authentication in Exim4 mail server?

by Lakshmi Vijayakumar | Nov 26, 2018 | Server Administration

Most ISPs enforce SMTP authentication to send emails which helps them reduce spam. But, this is not supported by most Linux distributions(Centos, Debian, etc.) by default. So, you must manually configure your mail server to enable SMTP authentication, which requires...

“The server rejected one or more recipient addresses”- Here’s how to fix

by Sijin George | Nov 26, 2018 | Server Administration

Help please! When I send an email inside my domain it works fine… but once I send an email outside of the domain, I get the error: “The server rejected one or more recipient addresses. The server response was: 550 5.7.1 Unable to relay.” That was a...

Nginx performance optimization – All that you need to know!

by Reeshma Mathews | Nov 24, 2018 | Nginx, Server Administration

“Some of the sites in our server are taking much time to load than normal, one of such sites is domainname.org and it is taking around 12 seconds to load. Can you help fix this.”   Recently, we were contacted by a server owner who was having issues...

Apache SSLCipherSuite – Recommended settings for your server

by Sijin George | Nov 24, 2018 | Apache, Server Administration

Web servers such as Apache use encryption to protect critical information such as credit card numbers. The secret language they use to encrypt data is called a Cipher. Some of these secret languages are weak, and some are strong. At Bobcares, we help server owners to...

How to manually clear cache in Magento?

by Lakshmi Vijayakumar | Nov 22, 2018 | FTP, Magento, Server Administration

None of my store changes that I’ve made are visible! Is it Magento cache? That was a recent support ticket we received at our Outsourced Technical Support department where we resolve support queries for web hosting providers. Magento store owners change the...

How to Disable SSLv3 in Linux (Ubuntu, CentOS, RedHat, Debian)

by Sijin George | Nov 21, 2018 | Server Administration

A stitch in time saves nine! This is perfectly applicable in the case of server security vulnerabilities. SSLv3 is a weak method of data transfer between servers. And this can cause leakage of sensitive data from the server. That’s why, we help our customers to...
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