Avatar of Kamalasekar Parthasarathy
Kamalasekar Parthasarathy
Flag for India asked on

spam message

Dear Team,

We received a spam message in all our 10000 users from abcs@domain.com but unfortunately one of our user had replied to that spam email and this replied email also has been sent to all our users again.

we checked the header of the message who replied and its mentioned To address is Abcs@domain.com.

Then how all our users had received that message. we need to investigate on this.. kindly advice
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Dave Howe

8/22/2022 - Mon
SOLUTION
Neil Russell

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Kamalasekar Parthasarathy

ASKER
It came first from unknown domain abcs@domain.com but one of our user replied to that email and that reply message is generated to all of our users again.
elevationkevin

Send subscribers an email to set that domain as spam. Simple fix..hopefully.
Dave Howe

Usually there is an insecured "all users" mailing list that is actually being addressed. looking at the tracking center for the original mail is usually the first hop.
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William Peck
Kamalasekar Parthasarathy

ASKER
Hi All....

The replied person is confirming that he just reply only to avcs@domain.com and how come its generated to all the user in our organization.

Please Note ther is No DL's in that emails addresses. Need to investigate and how to dig into this issue.

We have done the fix but need to investigate how its generated to all the users.
ASKER CERTIFIED SOLUTION
Dave Howe

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