Getting rid of spam?

P

polyakov_andrey2011-04-01 09:01:15

Fight against spam

polyakov_andrey, 2011-04-01 09:01:15

Greetings to all, I recently encountered a very unpleasant situation. Spam is being sent from my site.
I understood this from several similar letters that came to my mailbox (maybe configured to transfer mail from all non-existent mailboxes in my domain to the main account).

As you can see, a similar letter was sent from a non-existent mailbox in my domain ([email protected]), but the server of the company to which it was sent returned the letter back.
At the same time, I use the Yandex Mail for Domains service.
Tell me how to be? how to get rid of spam from your addresses?

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4 answer(s)

Y

YBV, 2011-04-01
@YBV

These letters are not sent from your mailbox, your mailbox (and millions of others from the spammer database) is substituted in the "From" field to simulate the naturalness of the letter. Nothing can be done about it.

V

Vlad Zhivotnev, 2011-04-01
@inkvizitor68sl

Hello. Download those emails with a client like Sylpheed and show the full headers. Well, show me the headlines, of course.
In general, judging by the closed SMTP, no one sends anything from your VDS.

Y

YasonBy, 2011-04-01
@YasonBy

Adjust SPF .

A

Amurchikus, 2014-08-28
@Amurchikus

You hardly do anything. SPF and clients must protect their servers from SPAM. Blocking emails with the substitution of the field from has long been easily solved by antispam