Aside from looking at the headers to find the origin, look into creating
an SPF record for your domain.
On 4/5/2016 11:06 AM, Gustavo De Poli wrote:
Hi:
Sorry my ingl.
i have aclient with qmailtoaster under centos 5. just 50 users
(email-address)
a few week ago, they recibed mails from themselves, and i dont know
where lookfor de problem. i changed de password af all email-address,
i inspected logs, but i cant see where is de origin of de spam.
someone can help me???? if its posible in spanish???
thanks
Gustavo
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