Скачать или смотреть Redundant Email Delivery Strategies – Step-by-Step Demo | Techi Jack

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Want to ensure your emails keep flowing—even if your primary mail server goes down? In this video, we walk you through a real-world step-by-step demo of how to configure two MX records for redundant email delivery.

We have configured two locations with two different Public IPs, Site A and Site B.

In site A, we installed the Proxmox Email Gateway server and set the MX priority as a primary for this server, because it scans email for spam and viruses.

Therefore, on another site we have an Exchange Server configured, which can receive a default inbound email from the internet.

Watch the complete video to see the mx record switchover after one site failed, and still none of the emails are lost.

This video helps you to learn:

Understand MX record priorities
Set up DNS for dual MX records
Ensure smooth failover when one server is offline
Test your redundancy setup live

Whether you're using Exchange, Mailcow, or another email platform, this guide from Techi Jack helps you avoid mail downtime and increases reliability for business-critical emails.

Tools used: DNS Manager, Mail Server Configuration, Failover Testing
Perfect for: IT Admins, Sysadmins, Email Hosting Providers

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About Techi Jack

👨‍🏫 I’m a Microsoft Certified Trainer (MCT), MCSA & MCSE (Productivity & Messaging) with deep hands-on experience in:
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