Outlook for Mac 2019 - Reply-to

Leon, Kwong Wing 0 Reputation points
My e-mails sent from my address/account "leon@pobox.com" contain a reply-to address. The reply-to address is "leonkwongwing@witherskhattarwong.com".  Ie, the From address and the Reply-to address are different.

Date: Mon, 05 Jun 2023 02:04:06 +0800
Subject: 10–12 pax dinner Fri June 9th
From: KW Leon <leon@pobox.com>
To: The Spot Singapore <hello@thespot.sg>
Message-ID: <3EF473BC-7682-4E33-A453-F5CEF9568F06@pobox.com>
Thread-Topic: =?UTF-8?B?MTDigJMxMg==?= pax dinner Fri June 9th
Reply-To: LeonKwongWing@WithersKhattarWong.com
Mime-version: 1.0
Content-type: multipart/alternative;

Where/how do I remove/change/stop the "reply-to"?

Outlook for Mac 2019 version 16.73.2. MacOS 11.7.

A family of Microsoft email and calendar products.
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Office Mac
Office Mac
Office: A suite of Microsoft productivity software that supports common business tasks, including word processing, email, presentations, and data management and analysis.Mac: A family of Apple personal computers that run the macOS operating system.
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  1. Faery Fu-MSFT 18,446 Reputation points Microsoft Vendor

    Hi @Leon, Kwong Wing ,

    From RFC 2822 para 3.6.2: When the "Reply-To:" field is present, it indicates the mailbox(es) to which the author of the message suggests that replies be sent. In the absence of the "Reply-To:" field, replies should by default be sent to the mailbox(es) specified in the "From:" field unless otherwise specified by the person composing the reply.

    Log in to your account and check if you have added alias, you can refer to this link: https://www.pobox.help/hc/en-us/articles/1500000193182-How-can-I-remove-an-address-, (Note: Since the web site is not hosted by Microsoft, the link may change without notice. Microsoft does not guarantee the accuracy of this information.)

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