I have a VPS LAMP. I've noticed that my IP is listed on many spam blacklists. In the server is not installed sendmail, the mail() function of php is disabled by php configuration and to send a mail you must rely on an external SMTP. I have removed it from the various blacklists but the server continues to be present. My provider is Aruba and I really don't know what the problem could be. Do you have any idea?
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