I readed that on wikipedia, and readed the sources, and one thing I can say, is that the source is heavily misinterpreted. They refer to physical mail, and telecommunication, where a set of rules apply to physical mail, and some other set apply to telecommunication. Of course, you are not allowed to tamper with third-party communication, but if you run a mail server, then you are "in the loop" and are permitted to do whatever you want. Nobody forces you to accept whatever you don't want into your network. If you want to toss all HTML mail destined for your company into /dev/null, its up to you. This provided that you didn't unauthorizedly insert yourself into the loop. If a end user select to use you as mail service, they have to abide by your rules, including that some mails might get tossed away. But if you force somebody, which aren't using your network, to use your mail service, for example via ARP spoofing or fake Wifi AP's, then its computer intrusion.
Also, the law does not make any difference on reject or discard, either you are allowed to block, and then it will apply to both reject and discard, or you are not allowed to block, and then it apply to both reject and discard. Theres no difference in rejecting or discarding, its still considered distruption, if you do it in the wrong situation. If I receive a call from somebody asking me to forward information to person D, even if I say "yes, I will do", its not illegal to ignore that and not forward the phone call. Its my phone, if someone calls my phone, they have to abide to my rules. Note the wording "electronic communication", which also apply to website traffic and such. The ruling is more aiming on hackers, for example "distrupting communications between 2 parties" is meant to target DoS, not someone blocking certain email traffic into their network. What I have understand, E-mail does not have any special catering, not either in german law or swedish law. Maybe some single EU country does pay special attention to E-mails, but normally, E-mail is same as website traffic is same as for example Skype, and is just TCP/IP packets over the internet. And TCP/IP packets its up to you if you want to accept, reject, or drop packets destined for your network. Simple as this: The mail server you run for a company, or for some user or whatever, can be seen as your post-box outside the house. Of course, even if you receive physical mail for other people in same house, you are fully permitted to regulate that mail and toss mail you don't want, even if its adressed to someone else at that adress. Compare with for example a parent that toss away porn magazines adressed for their child, without telling either the magazine company or the child. Of course, a ISP mailserver is bound by much more strict rules, and here it might be regulation prohibiting when you are allowed to reject's/discard's, but I suspect none on this mailing list are running a ISP mailserver. (An ISP is defined as someone who runs a access network of a specific minimum size, wired, wireless or cellular, that people can access for a fee, where no prior internet access is required - so VPNs don't count. A hotel wifi wont count, it must be something larger, and being a ISP requires a special license from the government, like a bank, because being a ISP is a community service and must meet some minimum quality standards) So to put it short, if you block mail in the wrong situation, it don't matter if its reject or discard. Either you may block, then reject=allowed, discard=allowed, or you may not block, and then reject=prohibited, discard=prohibited. Unless the country in question have special rules for SMTP traffic, which I find unlikely. SMTP is TCP/IP like website traffic, IRC traffic, Skype traffic, DNS traffic or whatever. -----Ursprungligt meddelande----- Från: owner-postfix-us...@postfix.org [mailto:owner-postfix-us...@postfix.org] För Robert Schetterer Skickat: den 20 februari 2016 13:49 Till: postfix-users@postfix.org Ämne: Re: SV: SV: SV: Blocking TLDs Am 20.02.2016 um 12:01 schrieb Sebastian Nielsen: > Why are you people so negative against DISCARD, and wants to use > REJECT Silent discard mail is not allowed in many EU countries, youre the postman you dont have to deliver bombs ( virus ), you may react on marketing letters (spam ) by sort them or simply reject at the start when you recieve it, and only if your customer ordered you to do so but in general you are not allowed to burn otherones letters Best Regards MfG Robert Schetterer -- [*] sys4 AG http://sys4.de, +49 (89) 30 90 46 64 Franziskanerstraße 15, 81669 München Sitz der Gesellschaft: München, Amtsgericht München: HRB 199263 Vorstand: Patrick Ben Koetter, Marc Schiffbauer Aufsichtsratsvorsitzender: Florian Kirstein
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