• 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.

strange email bounce

N

nandar

Guest
CentOS 5 + Plesk 8.6.5

I sent one email to my friend. I got bounce email saying:

==============================
Hi. This is the qmail-send program at mymailserver.com.
I'm afraid I wasn't able to deliver your message to the following
addresses.
This is a permanent error; I've given up. Sorry it didn't work out.

< here are tons of email addresses that I didn't send>

<here is the email header and contents that I sent to my friend>
===============================

My friend got the email that I sent.

How can it happen? Can anybody explain me? How can I protect that not to happen?
My Plesk server relay setting is "authentication required POP3 (lock time 20 minutes) + SMTP"

Please help me to solve this problem asap. Thanks.
 
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