• The BIND DNS server has already been deprecated and removed from Plesk for Windows.
    If a Plesk for Windows server is still using BIND, the upgrade to Plesk Obsidian 18.0.70 will be unavailable until the administrator switches the DNS server to Microsoft DNS. We strongly recommend transitioning to Microsoft DNS within the next 6 weeks, before the Plesk 18.0.70 release.
  • The Horde component is removed from Plesk Installer. We recommend switching to another webmail software supported in Plesk.

Windows Plesk: Outbound Spam

A

anytimemoney

Guest
Somebody is sending SPAM from my server (Windows Plesk 8.6.0.5). This results in the main server IP getting blacklisted.

1. How to identify the spammer on my server .. or the compromised account?

Can the sender be identified from: C9EEDB720A4B4A5CA487B4AB3CD7BF3A.MAI
or
ME-I0018: [F8E9D6D22AC34047B86D7CB83E3C75FA.MAI] Outbound message from ([SMTP:[email protected]]) requeued as [300E2AA30B7F4A40974C3973FC9F47D4.MAI] to the target domain [some_domain.com]

(using MailEnable Standard)

2. How to further secure the server to prevent sending such spam messages?
Emails have been sent using the 'From' field containing email IDs of Yahoo, AOL, Gmail, etc.

3. Is there any way to limit the number of email that can be sent in an hour from a particular hosting account?
 
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