Maintaining good email addresses on your client
base is a must for effective communication, successful email marketing
campaigns, and maintaining a good reputation with ISPs. If your list is like
most, invalid or improperly entered email addresses are present and are causing
missed opportunities to connect with your clients, inaccurate campaign results,
and unnecessary costs.
Email address quality issues can be a challenge. Data Services’ Email Address
Hygiene tackles a variety of data quality issues and is offered at 3 levels.
Choose the level that fits your needs best to improve the quality of your list,
identify undeliverables, and flag domain types giving you better control over
your email marketing efforts:
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Feature
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Basic
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Advanced
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Premium
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Isolation of Domain Parts (Domain, Subdomain, Top Level Domain)
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Domain Counts
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Syntax and Format Verification
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Top Level Domain Verification
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Format Correction
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Subdomain and Top Level Domain Correction
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Client Defined Email Address or Domain Matching
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Duplicate Email Address Identification
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DMA Email MPS Matching
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International Domain Identification
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Email Country of Origin Coding and Reporting
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Cellular Domain Identification
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Temporary (Throw Away) Domain Identification
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Distribution List and Undesirable Address Identification
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Domain Counts by Category (International, Cellular, etc.)
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Domain MX Record Verification to Validate Domain Existence
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DSI Domain Database Lookup for Enhanced Domain Validation
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Username Verification with Online Presence Indicator
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Isolation of Domain Parts – a domain name is comprised of one or more concatenated parts that are typically
delimited by dots. Domain, Subdomain, and Top Level Domain fields are provided back to you for analysis or
list segmentation. Using xxx@gmail.com as an example, the part after the @ symbol is the Domain (gmail.com),
the part to the left of the right most dot is the Subdomain (gmail), and the right most part after the dot is the Top
Level Domain (com). For International email addresses, the country of origin is included as part of the Top Level
Domain (ex: co.uk).
Syntax/Format Verification and Top Level Domain Verification – all email addresses are dissected to confirm
that they are properly formatted and syntactically correct. Codes are assigned indicating address validity.
Identification and/or Correction of misspelled, missing, or invalid Subdomains or Top Level Domains, and
format correction:
johndoe@concast.net -> johndoe@comcast.net
janedoe@yahoo -> janedoe@yahoo.com
tadams@juno,net -> tadams@juno.net
a@b.c -> Invalid
noone@aol.com -> Invalid
Duplicate Email Address Identification – Duplicate email addresses are flagged and priorities based on client
defined logic may be taken into account when assigning duplicate flags.
DMA Email MPS (eMPS) Matching – The eMPS file is updated monthly and contains both consumer and
business email addresses. All DMA members who wish to send unsolicited commercial email are required to
suppress eMPS registrants from their prospect lists.
Identification of International Domains – International SPAM laws are based on the Opt-in premise and emails
with International domains may require special treatment. An Email Country of Origin Code is output for all
International domains.
Identification of Cellular Domains – The FCC bans all commercial messages to cell phones unless the recipient
has given explicit prior consent to the sender.
Identification of Temporary (Throw Away) Domains – Temporary
or Throw Away domains are created by users who want to create a
temporary email address. These email addresses are typically shut
down in under 24 hours.
Domain Verification – Domain Verification is performed by
combining real-time Domain MX record lookups with matching
against Data Services’ proprietary domain database to determine
whether a domain is capable of receiving mail and if it is not then
additional information on the domain’s status is provided.
User Verification – In many instances it is possible to validate or
invalidate email addresses at the user level to identify email
addresses that no longer have a mailbox at their associated
domain. This feature also denotes where an address is not only
valid but is tied to an online profile or presence, e.g. social
networks (facebook, LinkedIn, etc.), flickr, Amazon Wish List and/or
many more indicating that the email in your file is not only valid but
a primary means of communication with that user.
Email addresses falling into the above categories can be flagged,
removed, or rejected – it’s up to you. A detailed report
summarizing the results includes counts for Valid, Corrected, and
Invalid (and why it was invalid), as well as counts for International,
Cellular, Disposable, and blank email addresses. Listings of
Domains, Subdomains, and TLDs broken out by Domestic,
International, Cellular, and Invalid are also provided back to you for
analysis.
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