Hi @sajjadansari,
Regarding the question, it’s probably because emails from your site are being treated as spam. When that email is sent from one server to the next, the email will get discarded or filed in the Junk Mail or the spam folder.
You can use an SMTP server, which ensures your emails are delivered faster and helps prevent them from ending up in users’ spam folders.
Since you are an Elementor Pro user, you can open a support ticket at my.elementor.com
I’d also suggest you check out Elementor Community Group on Facebook. We have created it to connect Elementor users together and share knowledge, Global Elementor Community.
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