Category: LuxSci Library: The Technical Side of Email

Dangers of Private Domain Registration and WHOIS Masking

January 22, 2014

Any time you register a domain name, you must provide valid contact information for the domain owner. This information is published and made publically available in the “WHOIS” database. Anyone can look there to see who owns the domain and contact the domain owner if necessary. Private Domain Registration is also called WHOIS Masking or […]

Who does not support SMTP TLS for Secure Inbound Email Delivery?

November 7, 2013

We are frequently asked who supports TLS  to secure inbound email delivery. This is especially important for customers who need to be HIPAA-compliant, as email transport encryption over TLS is sufficient for HIPAA-compliant communications to end-users, so long as the TLS is configured to be sufficiently strong. While it is possible to tell who supports […]

Why Email is Not Instantaneous — and Not Supposed to Be

October 15, 2013

The common perception is that email messages seem to arrive almost as soon as they are sent. Messages often appear to be delivered “instantaneously.” So, when an email delay occurs, it seems like something must be wrong. Sometimes there is a problem. Sometimes the delay is the result of normal email flow. If the messages […]

Understanding Domain Name Service (DNS)

October 11, 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, […]

Having Problems Sending Email Because Your ISP is Blacklisted?

October 9, 2013

It happens over and over — users trying to send legitimate email messages are blocked from sending because the IP address that they are getting from their Internet Service Provider (ISP) for their personal computer (or small office) is on some major blacklist, like SpamHaus.  Comcast, for example, has been the focus of many of these […]