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    said: 450 4.7.1 <spa02.xxx.com>: Helo command rejected: Host not found (in reply to RCPT TO command))

    Dear support, Please help to resolve my problem. I cannot send an email out. I got a message bound to like this: Dec 28 20:53:45 spa02 postfix/smtp[6517]: 0A03C14208B: to=<incident@xxx.h>, relay=mail.xxxx.h[103.112.17.51]:25, delay=1.1, delays=0.1/0/0.61/0.37, dsn=4.7.1, status=deferred (host...
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    Spam used our domain send email to our domain.

    Dear Support, We have a problem with email spam send email using my domain name send email to my domain name. Example: spam used spam@mydomain.com send email to myemail@mydomain.com, but when I check log message source IP address from 176.123.5.101.It is not my network. Sender...
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    Relay access denied

    Dear support, Please help to check message error bellow: Dec 5 13:36:23 mg postfix/smtpd[41908]: connect from mail.ppmpharma.com[43.230.61.98] Dec 5 13:36:23 mg postfix/smtpd[41908]: Anonymous TLS connection established from mail.ppmpharma.com[43.230.61.98]: TLSv1 with cipher...
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    [TUTORIAL] limit number email sending via proxmox mail gateway in a hours

    Dear Support, We want to ask you. on promox mail gateway, does it have option limit number email sending in an hours? If you have any idea please advice. Warm Regards, Phalla
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    New software packages available

    Dear support, I got email from promox mail gatewaye related packages update libfreetype6. ============ " Subject: New software packages available The following updates are available: libfreetype6: 2.9.1-3+deb10u1 ==> 2.9.1-3+deb10u2 " ============ Do you know the packet libfreetype6? If we...
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    Change new IP address in proxmox mail gateway

    Dear Support, I changed IP address via interface but "down group default qle n 1000" I try to change ip address via command line but cannot. Can you help me? I need urgent to migrate proxmox mail gateway version 5.2-7 to 6.2-3. Warm Regards, Phalla

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