When Using Gmail for Smtp, Can You Set a Different "From" Address

When using Gmail for SMTP, can you set a different from address?

gmail doesn't allow you to use random From addresses. You have to add and validate the address you'd like to use in the gmail settings:

Settings -> Accounts -> Send mail as -> Add another email address you own

changing from address on send_mail

I think this answers it. Gmail won't allow me to forge a from address, therefore the from address will always be admin@mywebsite.com

to send email with different 'from' email address using gmail smtp server in django

change sender address when sending mail through gmail in c#

Gmail doesn't allow you to change the FROM to something different than your gmail account.

It doesn't matter what you use, they over-write it, before they relay it on. This prevent spamming/spoofing.

How to use any email address in the FROM field while sending email through Gmail SMTP?

Having run your code snippet I get:

Return-Path: <my user>
Received: from Psi ([80.92.234.64])
        by mx.google.com with ESMTPS id f1sm20531634wiy.2.2012.10.08.10.07.49
        (version=TLSv1/SSLv3 cipher=OTHER);
        Mon, 08 Oct 2012 10:07:49 -0700 (PDT)
Message-ID: <50730865.2152b40a.13ea.28ec@mx.google.com>
Sender: Roman R. <my user>
MIME-Version: 1.0
From: any email
To: my email
Date: Mon, 08 Oct 2012 10:07:49 -0700 (PDT)
Subject: Subject
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: quoted-printable

Body

Sender is the email address used to authenticate with Google Mail. From is the "from" provided in code. The receiving application might be confusing the two, and the rest looks just as expected. Some mail clients present the From+Sender (when they are different) as "sent by Sender on behalf of From".

You might be concerned with the fact that Google Mail still reveal the account from which the email is sent, through Sender field, but this is how it works. You do send from this account.

And, another possible reason is the From mail address itself. If you added it to your Google Mail account as one of your own addresses (and confirmed via test email with a link), then Google Mail will allow putting it onto From field. Otherwise it might drop it and replace it with the Sender.

Rails and Gmail SMTP, how to use a custom from address

I believe it's just something Gmail does when mail is sent through its SMTP, as it was mentioned that they do this on a tutorial about using their SMTP to send mail.

Sending email from secondary address using gmail SMTP

Looks like what I had to do was just wait...
Now it works fine without changing any code.

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