Hi All 

We are running a zimbra web mail server https://zimbox.ch for our customers. 
Yesterday afternoon swisscom has put its IP (46.140.183.201) on their DNS 
blacklist ( [ 
https://www.swisscom.ch/de/res/hilfe/internet/internetguard/url-checker.html | 
https://www.swisscom.ch/de/res/hilfe/internet/internetguard/url-checker.html ] 
). Since the thing is running https, this leads to people with swisscom 
internet access to get some cryptic error message about SSL problems from their 
browser when they want to read their mail. 

No, the server is not hacked, and we are running the latest version of zimbra 
web mail on it. 

We have filled in the swisscoms 'de-blacklisting' web form but nothing has 
happened yet. We also called the swisscom kmu-hotline, but no, sorry we can not 
do anything. 

Any advice ? For now we are advising our customers to set their dns server in 
their computers to 8.8.8.8 ... 

By the light of day, swisscom is directly damaging our business with this ... 

cheers 
tobi (angry) 
-- 
Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten, Switzerland 
www.oetiker.ch [email protected] +41 62 775 9902 
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