<table cellpadding="0" cellspacing="0" class="email-wrapper" style="padding-top:32px;background-color:#ffffff;"><tbody>
<tr><td>
<table cellpadding=0 cellspacing=0><tbody>
<tr><td style="max-width:560px;padding:24px 24px 32px;background-color:#fafafa;border:1px solid #e0e0e0;border-radius:2px">
<img style="padding:0 24px 16px 0;float:left" width=72 height=72 alt="Значок ошибки" src="cid:icon.png">
<table style="min-width:272px;padding-top:8px"><tbody>
<tr><td><h2 style="font-size:20px;color:#212121;font-weight:bold;margin:0">
Адрес не найден
</h2></td></tr>
<tr><td style="padding-top:20px;color:#757575;font-size:16px;font-weight:normal;text-align:left">
Сообщение не доставлено, так как адрес <a style='color:#212121;text-decoration:none'><b>[email protected]</b></a> не найден или не принимает входящие письма.
</td></tr>
</tbody></table>
</td></tr>
</tbody></table>
</td></tr>
<tr style="border:none;background-color:#fff;font-size:12.8px;width:90%">
<td align="left" style="padding:48px 10px">
Ответ удаленного сервера:<br/>
<p style="font-family:monospace">
550 Message was not accepted -- invalid mailbox. Local mailbox [email protected] is unavailable: user not found
</p>
</td>
</tr>
</tbody></table>

</html>

Статус доставки

Reporting-MTA: dns; googlemail.com
Received-From-MTA: dns; [email protected]
Arrival-Date: Wed, 20 Oct 2021 04:58:04 -0700 (PDT)
X-Original-Message-ID: [email protected]

Final-Recipient: rfc822; [email protected]
Action: failed
Status: 5.0.0
Remote-MTA: dns; mxs.mail.ru. (94.100.180.104, the server for the domain mail.ru.)
Diagnostic-Code: smtp; 550 Message was not accepted -- invalid mailbox. Local mailbox [email protected] is unavailable: user not found
Last-Attempt-Date: Wed, 20 Oct 2021 04:58:05 -0700 (PDT)