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    Notifying the sender of a message delivery failure

    Hello, I have some questions about notifying. Is it possible for the sender of a message that has been marked as spam/virus etc. to receive a return message with information that the message from him did not reach my inbox? If so, will this message contain information about the reason why this...
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    How import blacklist domain to Proxmox 6.4-3

    Hi I exported blacklist domains from older Proxmox Gateway to file blacklist.txt. This file has this structure [ { "descr" : "bizwebsite.com", "domain" : "bizwebsite.com", "id" : "2881", "ogroup" : 2, "otype" : 1002, "otype_text" : "Domain"...
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    How configure smtp_helo_name and smtpd_banner in Proxmox Gateway 6.4-3

    Hi I have installed a new Proxmox Gateway 6.4-3 virtual machine. I want to change smtp_helo_name and smtpd_banner because when sending to one of the domains I get error 550 5.5.0 Invalid EHLO / HELO domain. In Proxmox v. 5.2-7 was configuration file in /etc/pmg/templates/main.cf.in, but in...
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    Problem with send emails

    Hi I have one Proxmox 5.1-4. It is running as Hyper-V virtual machine. I have just installed all the available updates. I have a problem with sending e-mails to certain recipients. I get a message in the syslog "lost connection with dns_name[IP] while sending DATA command". What can I do with...
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