5

I just noticed a strange email in my sent folder that I did not send. Here is the header information:

To: 5f3d36eb61801dda4063@cloudmailin.net From: ********@gmail.com Date: Mon, 10 Jun 2019 06:54:17 -0700 Message-ID: <CAHMUou-d6rW138ucKhKVoLWqzn2ZZ12Q0-wK+FR6SCXDr89YmQ@mail.gmail.com> Subject: bW9KRGdIeTlyMFd2UjZQQVYrQUd0TVJ5N2IrbDlqVXh2NlF6ZUFvaDlaanpRQWwzVmZtVFlwQVo5cXUybmRFbC0ta0VvVDdmakJzVzQzL3lQM2lYL0tBQT09--19cd1b1aa0f32659eece53630df822281b44c804 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Content-Disposition: inline This message was automatically generated by Gmail.

There was no content in the email, just the jumble of characters in the subject. The email address this was sent to is reported a few times on the internet as possible phishing, but it's not clear to me why Gmail would automatically generate an email on my behalf to this address. The "From" field was indeed my actual email address.

I have already changed my password as a precaution, but am curious is this anything to further worry about?

3

The message line that was automatically sent says "This message was automatically generated by Gmail". It means that you marked a previous received message as spam, so it automatically sends a notification to Google in order to block further reception or messages from the same sender. Nothing to really worry about.

3

It's most probably an automatic email sent by Gmail but based on your explicit operation to choose "Unsubscribe" within Gmail.

Gmail provides a simple way to unsubscribe some mailing list taken by bots or added by spammers. So you can click "report spam" and "also unsubscribe" to get removed from those mailing list services.

Clicking "Unsubscribe" will automatically send a request back ( send an actual email from your Gmail account ) to the sender so they'll stop emailing you."

-4

Looks like phishing. Automatic unsubscribe emails go with subject "unsubscribe".

In addition, there should be emails received from that recipient when searching your mailbox. With me, resulted in 0 emails found.

It's funny that google doesn't pronounce on.

  • 1
    How could this be phishing when it's in the outbox? – schroeder Dec 4 at 15:39
  • Really sure that the phished data was sent to that email in the subject field. I never received any email from 5f3d36eb61801dda4063@cloudmailin.net nor did I unsubscribe. How can I unsubscribe from something I never received? – kitana Dec 4 at 17:54
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    The "From:" address and "Reply-To:" address of an email can be different. Often, the From address is what's shown, but when you mark email as spam, GMail sends the unsubscribe messages to the Reply-To address. Also, GMail filters out a LOT of messages from known spammers, without you yourself marking them as spam or explicitly unsubscribing. – Ghedipunk Dec 4 at 19:42
  • I know that. And I checked the headers of the emails I received. And yet, gmail never sends automatic email without some user action. When an email goes through antispam filters and reaches the user's mailbox, the algorithm simply marks it as spam and dangerous content. Never send a response. Never. – kitana Dec 5 at 0:45

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