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You should modify your DNS settings to set up SPF for your domain, so email messages sent from an outside IP address are rejected. By the way, the recommendation you link to in your post aims to achieve the same result. That would be the more effective technique. Failing to do so, your best bet would be to digitally sign all exchanged inter-domain emails ...


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There is no such thing as bulletproof security. What could be done is to use a text based mail client such as mutt. This way, you'll see the link instead of being able to click on it. Also you can try a good spamfilter and setting it tight. There are multiple phishing training frameworks. For example the Simple Phising Toolkit, which you can use to educate ...


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There is no one answer to this, a number of things can help, spam filters will help, but A.They won't catch everything and B. They might filter legit email (especially if you have it set to be very aggressive.) It is really a trade off. When explaining to users the best thing is general user education. Explain the risks, explain what to look out for and ...


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Given the uncommon high ports and that the hostnames look like IP addresses from normal consumers I would suggest that this is peer-to-peer traffic. There are several legal or mostly legal programs which are doing peer-to-peer like Skype, Bittorrent and other file exchange programs. But peer-to-peer techniques are also used by malware like Zeus. Since it is ...


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Short answer: no, you can't. There are 3 senders to your E-mail. 2 fakes and one hidden and unreachable. The one you find within the headers: From: field is free. Anyone can put whatever he wants there. You can't trust it. You cant't build anything on this one. The edited sender of the E-mail you received is do_not_reply@apple.co.uk. It looks serious ...


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Blocking the senders e-mail address is unlikely to be an effective measure as spammers/malicious actors will commonly change the address they use on a regular basis. That said it's worth noting in this case that a quick search for do_not_reply@apple.co.uk shows the only indexed instances of this address being spam related, so it doesn't appear to be one ...


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Got this email from Asian Domain Registration Service in China Dear Sir/Madam, About the "MyRealDomain". We are the department of Asian Domain Registration Service in China. Here I have something to confirm with you. We formally received an application on August 4th, 2015 that a company claimed "CarirLong Company" were applying to register ...



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