Bobcares Logo
Search Call 1-800-383-5193 Emergency Contact
Bobcares Logo
Search Call 1-800-383-5193 Emergency Contact
Emergency Contact

Instant fix for Exim4 ‘mailing to remote domains not supported’ error

by Reeshma Mathews | Nov 27, 2018 | Server Administration

A message that you sent could not be delivered to one or more of its recipients. This is a permanent error. The following address(es) failed: user@domain.com . Mailing to remote domains not supported.   This is a commonly noticed error in new servers or servers...

Plesk 12 LetsEncrypt – How to Setup & Common Issues

by Sijin George | Nov 27, 2018 | Plesk, Server Administration

Securing Websites has become really easy with free SSL certificate providers like Let’s Encrypt. This certificate not only adds trust for your website but also makes data transfer secure. Although, there are many benefits, maintaining Let’s Encrypt certificates...

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...

“550 SPF check failed” – Here’s how to fix

by Sijin George | Nov 26, 2018 | Server Management

Email errors are frustrating especially when you do not know the exact failure reason. For example, bounce messages like “550 spf check failed” often confuse email users whether the error is at sender side or recipient side. At Bobcares, we help website...

“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...

How to fix Magento admin blank page problem?

by Lakshmi Vijayakumar | Nov 25, 2018 | Magento, Server Management

“White screen of death” – The name looks pretty creepy and no doubt its annoying too. Magento website owners sometimes face this strange issue. The website or Magento admin panel shows a blank page or white screen. Fixing a blank page is quite...

Quick fix for Magento page cache invalidated problem

by Lakshmi Vijayakumar | Nov 24, 2018 | Magento, Technical Support

Every day I login to Magento Admin panel, I get a message like Magento page cache invalidated. How can i fix this? That was a recent support ticket we received at our Outsourced Technical Support department where we resolve support queries for web hosting providers....

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...

CentOS security hardening – Here’s how to do it

by Sijin George | Nov 23, 2018 | Technical Support

The saying “Prevention is better than cure” is 100% true in server security. Security hardening is a great way to avoid server hacks even in the latest CentOS 7.5 server. But, the exact steps for hardening depends on the apps running on the server....
Page 1,016 of 1,121« First«...102030...1,0141,0151,0161,0171,018...1,0301,0401,050...»Last »

Recent Posts

  • What Is Proactive Monitoring? A Complete Guide
  • AI Use Cases: How Artificial Intelligence Is Used Across Industries
  • Turn Manual Business Processes into Automation-Driven Growth
  • Digitalization of Business to Speed Up Operations and Support Faster Scaling
  • Cloud Cost Optimization Best Practices: Everything You Need to Know in 2026

Categories

  • Advanced Vulnerability
  • AI Services
  • AI Support
  • AIOps
  • Amazon Web Services (AWS)
  • Apache
  • API Integration
  • Application Development
  • Azure
  • Cloud Cost Optimization
  • Cloud Management
  • Cloud-Native Application
  • Cloudflare
  • cPanel
  • cPanel migration
  • Cyberpanel
  • DDoS
  • Development Service
  • DevOps
  • DevOps Consulting
  • DevSecOps
  • Digital Transformation
  • DigitalOcean
  • DirectAdmin
  • Docker
  • Drupal
  • Ecommerce
  • Filezilla
  • FTP
  • Google cloud platform
  • HAProxy
  • Headless CMS Integration
  • Hosting Support
  • IIS
  • Infrastructure Management & Optimization
  • Kubernetes
  • KVM
  • Laravel
  • Latest
  • Linode
  • Litespeed
  • LXC/LXD
  • Magento
  • Mobile App Development
  • MongoDB
  • Moodle
  • MySQL
  • NFS
  • Nginx
  • OnApp
  • Outsourced Support
  • OVH
  • ovirt
  • pfsense
  • Plesk
  • PostgreSQL
  • PowerDNS
  • Product Engineering
  • Proxmox
  • RedHat
  • Redis
  • Sendmail
  • Server Administration
  • Server Management
  • Software Development
  • Software Testing
  • SQLServer
  • Technical Support
  • UI/UX
  • Virtualizor
  • VMware
  • VPN
  • Vulnerability Scanning
  • Vultr
  • Web Development
  • Windows
  • WordPress
  • WordPress Hosting
  • WordPressHA

Subscribe to our newsletter

Footer newsletter

Email sales@bobcares.com | Phone 1-800-383-5193

Product Engineering

  • MVP Build
  • MVP to Scale
  • Product Maintenance

Digital Transformation

  • Process Digitization & Automation
  • Systems Integration & Workflow Orchestration
  • Data Enablement & Decision Support
  • Application & Platform Modernization
  • Transformation Execution & Delivery Enablement

AI Services

  • AI Readiness & Use-Case Discovery
  • AI Integration & Application Enablement
  • Intelligent Automation & AI Workflows

Infrastructure Management

  • Always-On Infrastructure Management
  • Proactive Monitoring & Incident Prevention
  • Cloud Cost Control & Optimization (FinOps)
  • Outsourced IT & End-User Support
  • Managed Infrastructure Execution Support

DevOps & Automation Services

  • CI/CD & Release Automation
  • Infrastructure as Code & Platform Standardization
  • Reliability Engineering & Observability
  • DevSecOps Enablement
Product Engineering +
Web Development MVP to Scale Builds Microservices Architecture Agile & Dev Team Augmentation Mobile Apps Ecommerce UI/UX Design QA & Test Automation
Digital Transformation +
Legacy Modernization Workflow Automation Data-Driven Dashboards CRM / ERP Integration Business Process Re-engineering
AI Services +
AI & Machine Learning AIOps Intelligent Automation Business Intelligence & Analytics AI Installation & Compute
Infrastructure Management +
Cloud Setup Cloud Migration Managed Cloud Services Server & Hosting Cost Optimization Performance Optimization Outsourced Support
DevOps & Automation Services +
CI/CD Setup Kubernetes & Docker Infrastructure as Code Cloud-Native Migration DevSecOps
Cybersecurity & Compliance Services +
Security Hardening VAPT Incident Response Backup & DR

© 2026 Bobcares. All Rights Reserved.

  • Careers
  • |
  • Cookie Policy
  • |
  • GDPR
  • |
  • Privacy Policy
  • |
  • Terms and Service
  • LinkedIn
  • YouTube
  • Instagram
  • Facebook

Preview of the new Bobcares experience
NEW UPDATE
See What’s New
at Bobcares

Discover a faster, clearer view of our services and expertise.


Explore the New Experience
Arrow Right