Is email address with space an impossible case?

I got spam email from an email with space. It’s email headers are:

Received: from 10.197.40.73
 by atlas302.free.mail.bf1.yahoo.com pod-id NONE with HTTPS; Sat, 28 Jun 2025 16:00:02 +0000
Return-Path: <>
X-Originating-Ip: [157.180.118.107]
Received-SPF: none (domain of wildminty.io does not designate permitted sender hosts)
Authentication-Results: atlas302.free.mail.bf1.yahoo.com;
 dkim=perm_fail header.i=@offeestor.org header.s=smtp arc_overridden_status=NOT_OVERRIDDEN;
 spf=none smtp.mailfrom=wildminty.io arc_overridden_status=NOT_OVERRIDDEN;
 dmarc=unknown header.from=offeestor.org arc_overridden_status=NOT_OVERRIDDEN;
X-Apparently-To: somethingsomething@yahoo.com; Sat, 28 Jun 2025 16:00:03 +0000
X-YMailISG: 2XsEkTUWLDsyouJbj0Mg8lNknuMYHd48dtJTa.EXNAiCSIWE
 VJpYElD9e1vXHopHbU2UW1nUKNO7uUS6Ekby9Pa7miFQNCncPpWEPIk9QuMs
 BtSh7CSruOF8tbGNzUNTUmGPBKNVxFb9zdvwt_BFjbOsaNmM78WOjBD5VktC
 _qIjdG4yZ3kHjOMiK_WZrmDM49n6PdCCX1F95xXA6e77QwYaSxP4657DU0z_
 ySMQztcXn08tFOCwF98Vj.zDWTFPRkxMkmVs3zJRK2kRLWtI0RuJYCAFq1_S
 VdLx9AMStH8HYm3v.QdRLHScfQ66uZATH2PY.wV.hCXhY8OOp6cHr5dW7xLz
 mSP16wwk.OA79p3ZWQNQWiykJErgcFKqnIcKltRM8gm.Qq2QIEq.2Nea1I9b
 KxWWX7TiO_x3Ijz.grzI4TiJURQKxfTP3ZdCmLUBOFDsKw1np4VCt8L9DU.E
 pxTt6gO51mkIPIBaQ_kbXIgh4cvNFGdCRPXEj_X2FfXxBJPth70BjUjdwoC2
 .De.YCfp5IrU.UgGOunAX1fgvbuH.maT8LOOQy2FQfkTd84dkWexk01aX5pS
 _mP3mybL1mutWh6jj4eiIJz9IJcxeWqpJoPJZ.zr61hKpucPZRIItnFdqFgP
 t3vh8daCxW8UwBESoPtJQbSFV9.LlfwKRWf44RZYA0OiL9hovVMh4W7vO9Gw
 5cUvQvSz3.T7QX.IIkA7FfTi58.d4ZbbQ7aV6gkW03L59ZxjmvwZeCXrOGko
 CyokqNL9dxtYVb79GGHhOFuQVSnc73OhJwkqFyuGAepGC5FvD1YZ08aSHZZ3
 IW1UV6ELOY6M7.qBxvWojp7rBAFbs1Y38zaxUTKQ0XvdopN9oTEVdcAhP2fy
 D0DwaVu.AIPQBvGDP2Njo.WMd_SrSa2njfI9OXWMmoE.blY.0YAj.bpY7jUg
 Vb4ZTL7VsV2G3U1cKJB2aBLo8ppkWSh2rvkyui26tk5wZUdkPOV4kI5ZgU7A
 jXmxOM7fkVgh9zxhkcUGgc6yW2BcIVUJfDuHN7T7XDUaef0aCn_PlYL5RJQV
 UaJ4xS_rzhlwrmvSHyEOvHFUg05Xgm1Mz1OQRLspEyUqt_tuCsljaV5W0OX_
 L8SKe9PvtNmjgchFeFWWxxWF9sIWM8IKBHjEp4dLl3ROEjyXVffTJR8F9hvq
 1fxors9tSPWIUlMAZSCne1aNeekIlULpLw--
Received: from 157.180.118.107 (EHLO wildminty.io)
 by 10.197.40.73 with SMTP;
 Sat, 28 Jun 2025 16:00:02 +0000
DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; s=smtp; d=offeestor.org;
 h=From:Subject:To:List-Id:List-Unsubscribe:Message-ID:Date:Content-Type:MIME-Version; i=SolarLite@offeestor.org;
 bh=J43jEEnzT9+2t848ZpBySH6urkg=;
 b=gxtvcyJ3wChtlqsYtlXZa+bp9FUBl/BotJOpOtQXQGbSJRtJ4Zp3fVeMUrCm/FVFmGXWLavgiSox
   4pAbKrShW9MhiGLv9L7NrmXEhat7vehPgkpgFhA9bsPPWVrDa99DtCxPrhbKqQuVif4DGlUtEGUl
   GF5bii0GygkpLH1Wl8c=
DomainKey-Signature: a=rsa-sha1; c=nofws; q=dns; s=smtp; d=offeestor.org;
 b=eCx7Rof9C1AfeP6T0zHqZ80aR/+NffV+openCdoxX6cZAN1dgLuMsVkflObjgazNkP0HvauhKhIM
   TmQjMIEZhXratxtxcc4WyctDplCHkBR1MAriAq9FHf6uZKeMuGhLlPTYh/eLSJKgifro72tknWB5
   SY27/YH6SSA+V304JAU=;
From: Breath Better  <SolarLite @offeestor.org>
Subject:Nepal Sherpas Have 0 Lung Diseases Thanks to This Yellow Herb
To: somethingsomething@yahoo.com
List-Id: somethingsomething@yahoo.com
List-Unsubscribe: <mailto:unsubscribe-gyLZndqdznZ5laWafhGJtpoa-somethingsomething@digitaltopoffers.com>
List-Unsubscribe-Post: List-Unsubscribe=One-Click
Message-ID: <893828528_964853799_642856100@somethingsomething.digitaltopoffers.com>
Date: Sat, 28 Jun 2025 15:55:34 +0000
Content-Type: text/html; charset=UTF-8;
MIME-Version: 1.0
Content-Length: 1412

This is straight response when I click ‘View Raw Message’ on the Yahoo Mail site.
If spaces in email address disallowed, how is this possible?

Could yahoo servers/browser be mis-rendering the raw message page?