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Posts Tagged ‘dkim’

Understanding Domain Name Service (DNS)

Friday, October 11th, 2013

DNS (Domain Name Service) is as fundamental to email and web services as address books and published street addresses and phone numbers are to other types of communications.  Without them, it is difficult to connect with new people and organizations and it is even inconvenient to communicate with your friends and family.

In this article, we cover the basic concepts involved in Domain Name Service (DNS) and domain registration, so that you can understand how they are involved in email and web hosting services.

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Tags: dkim, dns, dns settings, domain, domain name service, easydns, mail exchange, propagation, registration, spf, sumdomain, time-to-live, ttl, txt, whois
Posted in LuxSci Library: The Technical Side of Email
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Bounce Back & Backscatter Spam: Who Stole My Email Address?

Tuesday, September 24th, 2013

spamSo, 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?

What has most likely happened here is that you’ve fallen victim to “backscatter“, or as it’s commonly known, bounce-back spam. As spam-detection techniques have evolved and become more accurate, the spammers have been forced to devise increasingly complicated and devious methods of getting their messages delivered. For example: email forgery.

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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
6 Comments »

DKIM: Fight Spam and Forged Email by Signing your Messages

Monday, December 5th, 2011

LuxSci has long supported SPF for inbound and outbound email.  SPF is a mechanism by which you can specify what servers are permitted to send email for your domain … and identify email from other places that may be fraudulent. This helps stop inbound Spam and helps ensure that your own messages are distinguished from any fraudulently sent ones by your recipients.

DKIM (DomainKeys Identified Mail) is the other standard for preventing email forgery.  DKIM works by cryptographically signing each email message sent.  The recipients can use information published in your DNS settings to verify if the message was sent from an approved location (e.g. the signature is valid) and that it has not been modified in transit.

LuxSci now supports DKIM for both inbound and outbound email.

See our online DKIM Generator Tool.

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Tags: dkim, domainkeys, identified mail, spf
Posted in Email Marketing, New Feature Announcements
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