Email return with various address emails
My customer have a dedicated only for him.
When one user send one email, email return and show various address emails disclosing the users the dedicated for this user.
How to fix the problem?
The error:
email@domain.com
SMTP error from remote mail server after end of data:
>> > host smtp-gw.domain.com.br [IP]:
>> > 552 Too long header (#5.3.4)
How to procced for fix the problem?
Regards,
André
