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Issue Duplicate emails

emilzawislaktsl

New Pleskian
Hello,
I have a serious problem with duplicate emails. Well, I'll try to explain.

In the company, we have an address that works only for redirecting messages. Let it be called forwardlist@example.com. This list includes the employee@example.com and other employees. The moment I want to send a message to forwardlist@example.com and, in particular, to employee@example.com, this message will come to this employee twice.

Shouldn't there be some security for this? We've been through a lot of mail servers before and never had this problem.
I wrote a message to our hosting provider which is home.pl from Poland and he cannot help me in this matter.
 
Please have a look at the mail server log to identify what is actually happening. Also, have you checked that the recipient is not listed twice in the forwarding list?
 
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