I suggest SPF and DMARK
> On Aug 27, 2020, at 11:39 AM, Miguel Angel Amable Ventura
> <[email protected]> wrote:
>
> If that is not the case then you can just set spf record of your mailserver
> known as MX record in your dns server. And that will stop other servers from
> using your domain's email.
>
> Best regards!
>
> El 27/08/2020 a las 01:31 p. m., Miguel Angel Amable Ventura escribió:
>> Hi,
>>
>> Surely the spammer took you an user account and he is masquerading your
>> compromised account so you can't detect the source account, you need to
>> change that account's password and to find it you have to search in your
>> maillogs.
>>
>> I am not certain if you server has just a backdoor installed but first of
>> all i will proceed with the above explained.
>>
>> Good look guys!
>>
>>
>>
>> El 27/08/2020 a las 06:01 a. m., Eric Broch escribió:
>>> I'm not sure how to help you guys with this. Have you thought about asking
>>> on the spamdyke or spamassassin mailing lists?
>>>
>>> On 8/27/2020 3:56 AM, ChandranManikandan wrote:
>>>> Hi Tahnan,
>>>>
>>>> Am also facing a similar problem, and I am running both spamdyke &
>>>> spamassassin.
>>>> is there any misconfiguration on my server and any tighten the rule.
>>>> I Appreciate anyone helping me.
>>>>
>>>> On Sat, Aug 22, 2020 at 8:28 PM Tahnan Al Anas <[email protected]
>>>> <mailto:[email protected]>> wrote:
>>>> Dear Eric,
>>>>
>>>> Recently I have observed all of my servers getting spoofed display name
>>>> spam mail. Which mean someone spoofing my user display name only and
>>>> sending lots of spam which my user thinking came from their boss or
>>>> someone important in the organization. Is there any rule which can stop
>>>> spoof display name spam in spamassasine?
>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> --
>>>>
>>>> Best Regards
>>>> Muhammad Tahnan Al Anas
>>>>
>>>>
>>>> --
>>>> Regards,
>>>> Manikandan.C
