Here is a guide on how you can check your MX records and configure them if they are not set.
Most common issues with MX records
they are absent.
they route to your old mail provider while you have switched to a new one.
they are incorrect or route to two different mail providers.
How to check your MX records
Use any MX lookup online tool, for example:
To double-check and confirm the issue, you can also send an email from any other address to your business email. If you don't receive any emails, this can be a sign of an issue.
Note:
It's important to distinguish between terms such as mail provider (service) and hosting provider (service).
Most common hosting providers:
Namecheap
GoDaddy
1&1 IONOS
OVH
Cloudflare
Google Domains
*Some hosting providers also offer email services.
Most common email providers:
Google Workspace
Office 365
Zoho
GoDaddy Mail
Namecheap Mail
How to find your correct MX record values:
use support article of your mail provider to get this infromation
alternatively, contact your mail provider support to get assistance with setting up MX records
Here is the list of most popular MX records guidelines: