block disposable email

B
DISPOSABLE E-MAIL ADDRESSES
  How to get rid of obfuscated online identities.
THE PROBLEM
•   Many online discussion forums, blogs and websites ask visitors to register before
    they can post comments, view premium content or download white papers.
    Usually double-opt in (closed-loop email authentication) is required to get
    access.
•   A disposable email account (DEA) will allow the visitor to sign up and verify his
    registration without exposing his primary email account to spam.
•   While this behaviour is convenient for more and more users the problems are
    growing for content providers for several reasons, like:
•   Users will go inactive, irrespective of your email marketing practices. The main
    issue here is the opportunity cost. Obviously, you have no chance to develop an
    email dialog / relationship with a temporary email address. And dead addresses
    mess with your statistics.
COMMON PRACTICES TO DEAL WITH DEA
• Simply accept all subscribers, even if they use temporary email addresses –
  ignoring instead of solving,
• Maintain a local blacklist with commonly known disposable domains –
  a lot of never-ending work to find them with all existing sub- and alternative
  domains,
• Use freely available public lists –
  includes the risk of missing domains as well as false positives (will block legit
  users)
THE EASY AND EFFORTLESS SOLUTION
•   block-disposable-email.com (BDEA) maintaines a central database of recently
    used disposable email domains.
•   Currently (as of August 2012) 1.900 domains are flagged as dea domains.
•   Every single domain that is stated as a dea domain has been checked by human
    in order to provide a zero-number of false positives.
•   BDEA allows to check subscriber domains during the sign-up process instantly.
•   You simply have to decide what to do with a block response (eg. request a
    different email address to sign-up, keep the user in a closed sandbox area with
    less content, …)
•   Depending on technical, corporate policy, or business related issues appropriate
    solutions to access the database do exist.
WHO IS USING THE BDEA SERVICE AND WHY
•   Social Networks (avoid multiple accounts by single users, focus on real users)
•   Gaming Platforms (avoid troll activities)
•   Dating Websites, Videochat Networks (refuse multiple sign-ups by same users
    with the aim to obtain one-time benefits multiple times)
•   Cloud based contact management platforms (enrich user information)
•   International Automakers (eg. for online lotteries, make it harder to participate
    repeatedly)
•   Media platforms (to avoid illegal or unwanted media uploads done by users of
    disposable email addresses mainly)
•   SEO providers, Webhosters, Online Marketers (a combination of the issues listed
    above)
PRICING
•   Free for up to 200 queries per month
•   BDEA provides several prepaid plans (see here for details)
•   Flatrate for large accounts ( > 1 million queries per month)
•   Discounts for large volume resellers


•   Example for 300 queries a day (which means 9.000 new subscribers a month):
    ~ EUR 60,- average price per month
HOW TO START
•   Already convinced? Sign-up at www.block-disposable-email.com, follow the
    registration process and start using the service immediately.
•   Need some more details? Use the free online checker to see if BDEA detects the
    domains you have in mind.
•   Need more concrete information related to your userbase? We are willing to
    prepare statistics based on your current subscriber data.
    Please simply send a list of unique domains generated out of your userbase
    currently (no, we don‘t want to have your customer‘s email addresses).
•   Business related or technical details needed? Please contact us at any time.
CONTACT
•   BDEA is represented by

    Subvento Establishment
    Schlattfeldweg 14
    9491 Ruggell
    Liechtenstein, Europe

•   For further information see www.block-disposable-email.com or contact us
    directly.




                                                                               24.8.2012
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block disposable email

  • 1. DISPOSABLE E-MAIL ADDRESSES How to get rid of obfuscated online identities.
  • 2. THE PROBLEM • Many online discussion forums, blogs and websites ask visitors to register before they can post comments, view premium content or download white papers. Usually double-opt in (closed-loop email authentication) is required to get access. • A disposable email account (DEA) will allow the visitor to sign up and verify his registration without exposing his primary email account to spam. • While this behaviour is convenient for more and more users the problems are growing for content providers for several reasons, like: • Users will go inactive, irrespective of your email marketing practices. The main issue here is the opportunity cost. Obviously, you have no chance to develop an email dialog / relationship with a temporary email address. And dead addresses mess with your statistics.
  • 3. COMMON PRACTICES TO DEAL WITH DEA • Simply accept all subscribers, even if they use temporary email addresses – ignoring instead of solving, • Maintain a local blacklist with commonly known disposable domains – a lot of never-ending work to find them with all existing sub- and alternative domains, • Use freely available public lists – includes the risk of missing domains as well as false positives (will block legit users)
  • 4. THE EASY AND EFFORTLESS SOLUTION • block-disposable-email.com (BDEA) maintaines a central database of recently used disposable email domains. • Currently (as of August 2012) 1.900 domains are flagged as dea domains. • Every single domain that is stated as a dea domain has been checked by human in order to provide a zero-number of false positives. • BDEA allows to check subscriber domains during the sign-up process instantly. • You simply have to decide what to do with a block response (eg. request a different email address to sign-up, keep the user in a closed sandbox area with less content, …) • Depending on technical, corporate policy, or business related issues appropriate solutions to access the database do exist.
  • 5. WHO IS USING THE BDEA SERVICE AND WHY • Social Networks (avoid multiple accounts by single users, focus on real users) • Gaming Platforms (avoid troll activities) • Dating Websites, Videochat Networks (refuse multiple sign-ups by same users with the aim to obtain one-time benefits multiple times) • Cloud based contact management platforms (enrich user information) • International Automakers (eg. for online lotteries, make it harder to participate repeatedly) • Media platforms (to avoid illegal or unwanted media uploads done by users of disposable email addresses mainly) • SEO providers, Webhosters, Online Marketers (a combination of the issues listed above)
  • 6. PRICING • Free for up to 200 queries per month • BDEA provides several prepaid plans (see here for details) • Flatrate for large accounts ( > 1 million queries per month) • Discounts for large volume resellers • Example for 300 queries a day (which means 9.000 new subscribers a month): ~ EUR 60,- average price per month
  • 7. HOW TO START • Already convinced? Sign-up at www.block-disposable-email.com, follow the registration process and start using the service immediately. • Need some more details? Use the free online checker to see if BDEA detects the domains you have in mind. • Need more concrete information related to your userbase? We are willing to prepare statistics based on your current subscriber data. Please simply send a list of unique domains generated out of your userbase currently (no, we don‘t want to have your customer‘s email addresses). • Business related or technical details needed? Please contact us at any time.
  • 8. CONTACT • BDEA is represented by Subvento Establishment Schlattfeldweg 14 9491 Ruggell Liechtenstein, Europe • For further information see www.block-disposable-email.com or contact us directly. 24.8.2012