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Posts Tagged ‘thunderbird’

256-bit AES Encryption for SSL and TLS: Maximal Security

Wednesday, February 4th, 2015

SSL and TLS are the workhorses that provide the majority of security in the transmission of data over the Internet today. However, most people do not know that the degree of security and privacy inherent in a “secure” connection of this sort can vary from “almost none” to “really really good … good enough for US government TOP SECRET data”.  The piece which varies and thus provides the variable level of security is the “cipher” or “encryption technique”.  There are a large number of different ciphers — some are very fast and very insecure.  Some are slower and very secure.  Some weak ones (export-grade ciphers) are around from the days when the USA did not permit the export of decent security to other countries.

AES, the Advanced Encryption Standard, is a relatively new encryption technique/cipher that is the successor of DES.  AES was standardized in 2001 after a 5 year review, and is currently one of the most popular algorithms used in symmetric key cryptography (which, for example, is used for the actual data transmission in SSL and TLS).  It is also the “gold standard” encryption technique; many security-conscious organizations actually require that their employees use AES-256 (256-bit AES) for all communications.

This article discusses AES, its role in SSL, which web browsers and email programs support it, how you can make sure that you only use 256-bit AES encryption of all secure communications, and more.

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Email Encryption Opt Out Now Available for Outlook and Other Email Programs

Friday, December 7th, 2012

A few weeks ago, we introduced the option for users in security-enabled accounts (such as users subject to HIPAA compliance requirements) to determine for themselves which messages need to be encrypted and which do not.  See: HIPAA Compliant Email – You Decide Which Messages Need Encryption

The  “SecureLine Opt Out” feature was then only available to users of our web-based email interface.  Now, the “SecureLine Opt Out” feature is also available to:

  • Premium Mobile Sync users on mobile devices
  • Customers using SMTP from mobile devices
  • Customers using SMTP from most email programs (e.g. Outlook, Thunderbird, Mac Mail, etc.)
We have also enhanced Opt Out to enable administrators to have more control over who can and cannot opt out of SecureLine email encryption.

How to Open and Read .eml Email Files

Wednesday, August 22nd, 2012

Many email programs and services allow downloading and/or saving email messages in a format called “.eml”.  This format is very simple and very standard.  These are plain text files that hold one email message per file and which contain the full message headers and full MIME-encoded message content.

LuxSci allows saving email messages from WebMail and from the SecureLine Escrow portal as eml files for offline usage, and the importing of eml files directly into your email folders.

While .eml is a widely used standard, old versions of Microsoft Outlook (before v2010) do not support it and that leaves many people wondering what to do with these files.

Here we explain how to open and view .eml-encoded message files on your computer.

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Tag Enhancements for Email and Collaboration

Saturday, July 4th, 2009

LuxSci has released several significant enhancements to its email and WebAides collaboration tools services that enable users to use “tags” more extensively to manage, categorize, and sort through their information.

For a long time, LuxSci has provided users with the ability to use tags to label and color code email messages, address books entries, documents, etc.  For details on LuxSci’s tag usage in general, see:

Tags at LuxSci have been enhanced with the following features.

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How to Install S/MIME (and PGP) Encryption Certificates into Major Email Clients

Wednesday, May 27th, 2009

We at LuxSci are always being asked questions about various email programs and their usage.  With HIPAA compliance becoming more and more important, we get a lot of inquiries regarding secure email. One of the most frequently asked questions is how to install S/MIME security certificates in various email programs that our servers support. Sometimes finding instructions on installing security certificates in various email clients is difficult, even with the help of search engines. To make your search easier, we have complied instructions for several of the the major email clients:

  • S/MIME for Outlook 2003
  • S/MIME for Outlook 2007
  • S/MIME for Mail.app
  • S/MIME for Entourage
  • S/MIME for Thunderbird
  • PGP for Thunderbird via the Enigmail Add-on.

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Master Password Encryption in FireFox and Thunderbird

Friday, February 27th, 2009

firefox-logoIf you are allowing Mozilla FireFox or Thunderbird to remember passwords to web sites and/or email accounts in their Password Manager tool, you should know that these passwords are all stored in a plain text file (base64 encoded) on your computer’s disk drive.  This file is accessible to anyone with administrative access to your computer.  If you have any concerns about the possibility of other people accessing your computer and this gaining easy access to copies of the passwords that you are using, you really need to employ the “Master Password” feature of these programs.

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Viewing the Message Source / Full Headers of an Email

Wednesday, February 4th, 2009

When diagnosing issues with email delivery and analyzing the properties of an email message, it is almost always the case that one needs to obtain either the “full headers” of the message or the “source” of the message.

The “message source” is the complete raw content that represents the message.  This includes all of the “metadata” about the message (who its from and to, the subject, etc.) as well the body content and all of the attachments. The full message source really contains two distinct parts — the full headers and the body.  The full headers are at the beginning of the message source and continue until a blank line is reached;  one or more blank lines separate the headers from the body.

In this article, we are not going to discuss what is in the headers or body, or how that information is formatted.  Instead, we will show you how to retrieve this information when using different kinds of email programs and web-based systems.  With these instructions, you should be able to get the “full headers” from any email message located in most email systems.  This information can be helpful to your technical support representatives when analyzing message behavior.

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“Please Note” – Message Annotation for your Email

Friday, December 19th, 2008

Have you ever wanted to add a note to an email for yourself or someone else?  The digital age has seen the paper-clipped note go the way of the dinosaur.  Today’s software programs may offer electronic notes and comments, but none specifically for email that is also shareable across programs.  Until now.   LuxSci has a feature in WebMail to add notes to messages that can be viewed by everyone and in most email programs. 

Except for Thunderbird and a few others, we are not aware of an email client that lets you make "notes" on email messages… and those that do are only visible in program that created them and not by anyone else looking at the message via IMAP or WebMail. We got to thinking of how useful a note would be that is part of the email message and viewable by anyone,  in any email program.  The LuxSci email note literally "sticks" with the message as it is forwarded to someone or copied/moved to another email folder. 

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Manage Your Multiple Personalities with Email Signatures

Tuesday, December 16th, 2008

The situation: you send and receive email messages via many different email addresses (aka "you have multiple email personality syndrome") via a single login.  I.e. email from several work and personal addresses are all forwarded to your main email address, so you get all your email in the same account.  Very convenient, but…

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Optimizing Mozilla Thunderbird

Wednesday, December 10th, 2008

LuxSci supports a plethora of modern email programs like Microsoft Outlook and Eudora (our blog posting “Head To Head Battle of Email Clients” discuss several of these) and works with any email program and device that properly supports POP, IMAP, or SMTP.  However, we do recommend Mozilla Thunderbird in the absence of any personal preferences or specific requirements for things that may only be supported in Outlook or other specific programs.  LuxSci’s staff uses Thunderbird with IMAP (or WebMail) uniformly for all email sending and receiving.  We discuss the reasons why in the “Battle” blog article.  Here, we will give some configuration tips and tricks and recommended add-ons.

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