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Knowledge Base & Operational Documentation How to Check Whether a cPanel Site Is Sending Mail From the Correct Address
11/11/2026
A website may send from a default or outdated address even when the contact form shows a different sender. This can affect delivery and domain authentication.
What to check
Inspect application mail settings, envelope sender, From and Reply-To headers, SMTP account, and domain authentication alignment. Send a test to a controlled mailbox and review headers.
Recommended next step
Use an authorized sender address and keep the visitor address in Reply-To when appropriate. Informatix Systems can troubleshoot cPanel email and website forms.