Hi Tobi I've forwarded your mail to our abuse team. They are now looking into this.
For (a possible) next time you can use this: https://www.swisscom.ch/de/privatkunden/hilfe/internet/internetguard/formular.html Cheers, Günti Von: swinog-boun...@lists.swinog.ch <swinog-boun...@lists.swinog.ch> Im Auftrag von Tobias Oetiker Gesendet: Freitag, 24. Juli 2020 08:40 An: swi...@swinog.ch Betreff: [swinog] our zimbra webmail server is on the swisscom dns blacklist ... 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). 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<http://www.oetiker.ch> t...@oetiker.ch<mailto:t...@oetiker.ch> +41 62 775 9902
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