Hello Christian,
ok, that explains it. After Disabling Greylisting it works.
Our Problem is, we can`t use greylisting because we get our emails via pop. So our Pop-Server fetches the emails and if he can not send it to the proxmox, he will try it later, cause the email is still in the inbox...
Hello Christian,
i have this problem with incoming Mails.
After a reboot sometimes it works and sometimes not.
Here is a dialog with the port 25 of our proxmox.
Why does it accept one sender and not the other:
[root@gw root]# telnet 192.168.0.8 25
Trying 192.168.0.8...
Connected to...
Hello,
after installation we tried to send an Email through the system, but we got the following error:
NOQUEUE: reject: RCPT from gw.soluma.loc[192.168.0.10]: 450 <test@solutec.de>: Recipient address rejected: Service is unavailable; from=<hans@wurst.de> to=<test@solutec.de> proto=SMTP...
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