Is improvmx-mails.com a legitimate domain?
Learn why emails from improvmx-mails.com are safe and legitimate.
You may notice emails sent via ImprovMX showing improvmx-mails.com
in the email headers. This is completely normal and safe.
What is improvmx-mails
and why does it look different from improvmx.com
?
Improvmx-mails.com
is a legitimate sending domain used by ImprovMX to relay forwarded emails.
While our main domain is improvmx.com
, we use improvmx-mails.com
behind the scenes specifically for email delivery. This domain may appear in technical headers such as Return-Path
, Received
, or DKIM-Signature
.
If you're seeing improvmx-mails.com
in the headers of an email sent through our service, it's not phishing. It’s a secure, intentional part of how ImprovMX forwards mail.