• 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.

sender was rejected, Remote host said 478 no relay available

Superkikim

Regular Pleskian
Hi there,

I have a problem on my server. Many messages are not being delivered. It seems I get a reject always from the same server. The message I find in the logs is (obviously, I have altered emails):

Aug 21 18:37:27 plesk01 qmail: 1250872647.704657 delivery 1327: deferral: Connected_to_212.74.176.17_but_sender_was_rejected./Remote_host_said:_478_some.email@mydomain.com_no_relay_available/


I also get sometimes this kind of messages:

Aug 17 09:49:58 plesk01 qmail: 1250495398.228507 delivery 514686: deferral: 217.169.130.206_does_not_like_recipient./Remote_host_said:_450_<some_name@customer.com>:_Recipient_address_rejected:_Policy_Rejection-_you_are_Greylisted,_Please_try_later./Giving_up_on_217.169.130.206./

Could anyone tell me what I am supposed to do with such a messages ?
 
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