Can't access zimbra externally - only restart helps

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bryllej8
Posts: 14
Joined: Sun Aug 04, 2019 10:41 pm

Can't access zimbra externally - only restart helps

Postby bryllej8 » Wed Jan 29, 2020 1:03 am

Good day guys,

recently we had a problem that we can't access our mail server externally. We have a server for our zimbra separately using centos, we can access our zimbra properly only inside our building (network). But if we are outside of the building without connecting to the network, just using our mobile data or wifi from public. We can't access it.

The only solution is that we only restart the server and we can access both internally and externally. Then time passed by again the same problem occurs.

Any solution guys who faced this problem ? Much appreciated :)

Thanks


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DualBoot
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Posts: 1165
Joined: Mon Apr 18, 2016 8:18 pm
Location: France - Earth
ZCS/ZD Version: ZCS FLOSS - 8.8.15 Mutli servers
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Re: Can't access zimbra externally - only restart helps

Postby DualBoot » Wed Jan 29, 2020 10:58 am

Hello,

it seems to be related to DoSfilter.

Regards,

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