ERROR CODE :550 - 550 5.1.1 Invalid email recipients

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mustafa.ashraf@techlink-eg.net, ERROR CODE :550 - 550 5.1.1 Invalid email recipients

Reporting-MTA: dns; mx.zohomail.com
Arrival-Date: Sun, 22 Feb 2026 22:10:10 +0200

Original-Recipient: rfc822; mustafa.ashraf@techlink-eg.net
Final-Recipient: rfc822; mustafa.ashraf@techlink-eg.net
Status: 550
Action: failed
Last-Attempt-Date: 22 Feb 2026 20:10:12 GMT
Diagnostic-Code: 550 5.1.1 Invalid email recipients

Received:from mail.zoho.com by mx.zohomail.com
with SMTP id 1771791010910176.22289882903078; Sun, 22 Feb 2026 12:10:10 -0800 (PST)
Message-ID:<19c86f94c5c.1240e341b263659.7005598089990405867@technexstore.com>
Date:Sun, 22 Feb 2026 22:10:10 +0200
From:Ahmed Nossiry <a.nossiry@technexstore.com>
To:<mustafa.ashraf@techlink-eg.net>
Subject:Testtttt
Content-Type:multipart/alternative;
boundary="----=_Part_833236_837639999.1771791010908"
User-Agent:Zoho Mail