There could be several reasons for issues with Hostinger Email. To start the troubleshooting process, make sure that:

Your hosting or email hosting plan is active
Your domain is registered and activated
The correct Hostinger Email MX records are added to your domain’s DNS zone
1. To ensure proper email deliverability, we also recommend you add SPF and DKIM records
2. If your domain is pointed to Hostiner by nameservers, all the required email records are added automatically
You have created the email account
Your email services are enabled

NOTES

After activation, a domain can take up to 24 hours to start working
After making any changes in your domain’s DNS zone (adding, removing, updating DNS records, etc.), give them up to 24 hours to propagate worldwide 💡
Email messages can take up to 15 minutes to be delivered

Specific Issues

If you’ve ensured the above-mentioned prerequisites, but your email is still not working, check the table below to learn more about the most common issues, their reasons, and solutions:

Issue

Most common reasons and solutions

Can’t send or receive emails

Email services are disabled
Domain/hosting is suspended
There is ongoing maintenance for email services

Can send but can’t receive emails

MX records of the sender are not correct or pending propagation
Email services are disabled
Learn more: What to Do if You Can Send but Can’t Receive Emails With Hostinger Email

The “Your message wasn’t delivered to (address) because the address couldn’t be found or is unable to receive mail” error

Mistyped or inexistent receiver’s address; double-check for typos
Incorrect MX records on the receiver’s domain; the receiver needs to fix MX records on their side

The email client/plugin doesn’t work, but emails work on Webmail

Incorrect setup parameters used on the email client; configure them by following this guide
Email services are disabled

PHP/SMTP file for sending emails doesn’t work

Double-check the file and make sure the parameters are correct

Emails are disappearing

There is an email forwarder active where the option to leave a copy was not selected; change the settings of the forwarder to leave a copy on the server
There is an email client set up with POP3; change the configuration to IMAP or make sure to select the option to leave a copy on the server