How to Fix the 550 No Such User Here Email Error

550 Error is generally the most common error. It comes with a message like “550 No Such User Here”. Such errors happen when sent email is not delivered, the user name cannot be found or not accessible by the server.

This type of error you get in both way, let’s suppose you are sending email from your server to another server you can possibly get this error, for that you need to contact the host to fix this issue. And people sending email to your server can also face such an error. You have to see where the error bounce is generated, that will determine you how you can fix the 550 No Such User Here error. You can check by changing the settings of your server.

Let’s discuss reasons for getting 550 No Such User Here error:

  1. Mail file permissions error
  2. Incorrect email address
  3. MX records pointing towards the wrong server

If you are getting 550 Permanent Failure For One Or More Recipients, check the mentioned article for details on how to debug and fix such an issue.

Mail File Permission Error

If you are using CyberPanel emails are stored in mail Directory of the home folder. If the permissions of your files are not configured correctly and for some reasons, it has been corrupted due to:

  • When you change your hosting provider, move files from one server to another
  • Backups of the email file
  • Files uploaded through FTP

You might get an error of 550 to your all emails. You can also contact technical support to fix file permission issue on your server. (If your provider is managed)

If you are managing your own VPS or dedicated server you may need to enter the following command in your SSH command line:

Incorrect Email Address

Email error 550 No Such User Here also occur when the email address you are sending to is not correct, you are sending email to the incorrect email address and you get a bounce-back email error. In this scenario, you just need to have your sending email address spelled correctly.

MX records pointing towards the wrong server

550 No Such User Here error message also pops up when your MX record is not configured correctly. Let’s just say you move from one hosting company to another and you start facing such issues, you might have DNS or MX records issues. A mail exchanger (MX) record specifies the mail server responsible for accepting email messages on behalf of a domain name. It is a resource record in the Domain Name System. If your Mx record pointing toward your old hosting service provider and you removed all the email accounts of that server, when you going to send an email you will face 550 No Such User Here problem. To fix that issue you need to check the email MX record pointing towards your correct server.


Using Composer create Symfony application on CyberPanel!

Symfony is a rich web application framework based on PHP. They describe symfony as a set of useable decoupled components. Because if you don’t need to use the complete framework you can use components from a framework in your application.

Or even base your own framework on Symfony. Laravel is based on Symfony and Drupal inherits many components from Symfony. In this article, we will be using composer to create a symfony application on CyberPanel.

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RoseHosting Review – Managed SSD KVM VPS with Exclusive 60% Discount!

Jeff from RoseHosting sent us an offer, they basically provide managed vps. According to their website advertisment their average responce time for a support ticket is 5 minutes, which is really impressive. Their prices are quite high but they have sent an exclusive coupon for cyberpersons which gives you 60% off. So I thought it would be a great oppurtunity for someone who is looking to buy a managed vps. Let see what they have to say about them in their own words:, a privately held, US-based company founded in 2001 offering various Linux hosting plans. Back then, we were the first and only company to offer commercial Linux VPSes.

That means in 2001 RoseHosting is the only company that started offering VPS, which means they are in business for 16 years now.

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ExtraVM Review – NVMe KVM VPS w/DDOS Protection starting @ $3.60

Today I am going to write extravm review. As I’ve been reading a lot of good things about them, so I thought it would be great to list some offers from them. Their rates are reasonable, on top of that they offer Singapore Location as well, so for any of you interested to buy VPS in asia, ExtraVM is your choice. DDOS protection is also standard with their vps plans which is a great plus for many people. Let see what they have to say about them self on their about page (only few lines) :

ExtraVM, based in Texas, was started in late 2014 to provide reliable, secure, and fast hosting services at an affordable price. One of our goals was to be able to cater to a large portion of clients, no matter what budget or where they are located. We accept over 100 local eWallets and currencies making it possible for anyone to purchase a DDoS protected server.

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How to create YUM repository in Centos 7!

I was working on an open source project recently, and I needed a repository to host some custom packages. However, you might have your own reasons to create yum repository. You can create a local version of an online repository so everytime you install a package network bandwidth is not consumed. Or there can be many other possible reasons.

In this article, we will learn how to create yum repository in centos 7.

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