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Edited by Erik Kangas, PhD President of LuxSci
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Posts Tagged ‘spam’
Wednesday, June 23rd, 2010
It is an extremely common and annoying practice of spammers to send you email that is from yourself or your colleagues or friends. I.e. “forged email”. We discuss this problem in the article: Save Yourself From “Yourself”: Stop Spam From Your Own Address.
Users of LuxSci’s Premium Email Filtering service now have a new and very powerful weapon to stop this kind of spam — “SPF-enabled allow list entries”.
This feature allows you to easily receive protection from forged spam messages while at the same time ensuring that legitimate messages sent between users in your organization are not filtered or caught as spam.
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Tags: allow list, dns, email filtering, spam, spf Posted in New Feature Announcements
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Tuesday, December 30th, 2008
We have recently seen a significant increase in occurrences where users are getting Spam email messages that appear to come from their own address (i.e. “joe@domain.com” gets a Spam email addressed from “joe@domain.com”). We discussed this issue tangentially in a previous posting: Bounce Back & BackScatter Spam – “Who Stole My Email Address”? However, many users wonder how this is possible, while others are concerned that their Spam filters are not catching these messages.
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Tags: allow list, email address, filtering, sender, smtp, spam, spf, white list Posted in LuxSci Library: The Technical Side of Email, TechNotes
2 Comments »
Tuesday, December 9th, 2008
So, you’re minding your own business, going about your daily tasks, checking your email, and suddenly your INBOX is flooded with a series of non-delivery reports (aka NDRs or bounce messages). But wait just a minute, you didn’t send these. How did this happen? Did someone steal your email address? How is that possible?
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Tags: backscatter, bounce, bounce message, catch-all, challenge response, dkim, domain keys, email alias, email forgery, mailer daemon, NDR, sender policy framework, spam, spf Posted in LuxSci Library: The Technical Side of Email, TechNotes
6 Comments »
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