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Best Practices forData Collection &Managing Your Email ListsCraig Swerdloff, CEO, LeadSpend
Data collection & hygiene best practices  The old saying that double opt-in is best may be true for   some, but for other...
Collecting Data   List acquisition   List barter   List rental   Call Center   Retail   Promotions/Sweepstakes   Bu...
Why do I care about data quality? Inbox Placement Rate (IPR) is the rate at which the  ISP’s deliver the mail received fr...
How do you maximize list growth &quality at the same time?
What is a bounce? Hard bounce: an unknown user at the ISP Soft bounce:
Are bounced records really bounced? Do you have confidence that you (or your ESP) are  removing bounces properly? Find o...
Why do bounces matter?Bounces mean XYZ for your list.You need to make sure…XYZ.Keep in mind…The three metrics that are mos...
According to Return Path Senders with better reputation metrics have cleaner lists.  Unknown user rates above 1% for legi...
How do you address Unknown UserRate? Incorporate some form of validation on new data  collection. Remove unknown users (...
Validate new data Confirm email field Confirmation email Email Validation Service Provider (EvSP)
Remove hard bounces &handle soft bounces Are you confident that you, or your ESP knows the  difference between a hard and...
Bounce code confusion 4xx codes are supposed to represent a soft bounce 5xx codes are supposed to represent a hard bounc...
Yahoo! Bounce Codes 554 - Message not allowed: DK Email not accepted  because it failed authentication against your sendi...
AOL Bounce Codes   552 Mailbox full   552 Message exceeds maximum fixed size   550 Mailbox not found   550 Access deni...
Cox Bounce Codes Sender based   – (452, 421, 554) Message based   – 552 - [$(_id) attachment extension is forbidden] Re...
Hotmail Bounce Codes 550 OU - Related to spam-like content or IP reputation,  or for external IP blocking technologies. E...
Key Takeaways   Bounce removal/handling   List hygiene   Communication with your ESP   Etc.   Etc.
More Resources LeadSpend.com Deliverability.com emailexperience.org
Thank You!Craig Swerdloffcswerdloff@leadspend.com917.648.6838
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MarketingProfs Preso - AS

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  • Correlation between spam trap hits and unknown users. Inverse correlation between complaints and unknown users because of inbox placement. People can’t complain about email they don’t receive
  • Transcript of "MarketingProfs Preso - AS"

    1. 1. Best Practices forData Collection &Managing Your Email ListsCraig Swerdloff, CEO, LeadSpend
    2. 2. Data collection & hygiene best practices  The old saying that double opt-in is best may be true for some, but for others it can be harmful to growth.  This presentation will feature choices for data collection and data hygiene best practices.  You will gain a better understanding of the companies and technologies that can help, and the role of your ESP in your…..
    3. 3. Collecting Data List acquisition List barter List rental Call Center Retail Promotions/Sweepstakes Buying leads Site traffic
    4. 4. Why do I care about data quality? Inbox Placement Rate (IPR) is the rate at which the ISP’s deliver the mail received from you to their customers’ mailboxes. IPR is determined by your sender reputation Sender reputation = (engagement) – (complaints + bounces + spam trap hits)
    5. 5. How do you maximize list growth &quality at the same time?
    6. 6. What is a bounce? Hard bounce: an unknown user at the ISP Soft bounce:
    7. 7. Are bounced records really bounced? Do you have confidence that you (or your ESP) are removing bounces properly? Find out what the various bounce codes mean and how you should handle them. Bonus: Did you know that you can avoid most bounces before they happen? Find out how.
    8. 8. Why do bounces matter?Bounces mean XYZ for your list.You need to make sure…XYZ.Keep in mind…The three metrics that are most likely to reduce your IPR: Complaint rate Spam trap hit rate Unknown user rate
    9. 9. According to Return Path Senders with better reputation metrics have cleaner lists. Unknown user rates above 1% for legitimate email is considered problematic and you should address quickly.The Sender Reputation Report, 2011
    10. 10. How do you address Unknown UserRate? Incorporate some form of validation on new data collection. Remove unknown users (hard bounces) when you see them. Mail at regular intervals or perform list hygiene before you mail.
    11. 11. Validate new data Confirm email field Confirmation email Email Validation Service Provider (EvSP)
    12. 12. Remove hard bounces &handle soft bounces Are you confident that you, or your ESP knows the difference between a hard and a soft bounce? What is the policy for handling soft bounces? What is the policy for handling hard bounces? In a recent discussion of deliverability experts and consultants, confusion reigned on the differences and policy for handling.
    13. 13. Bounce code confusion 4xx codes are supposed to represent a soft bounce 5xx codes are supposed to represent a hard bounceNot all ISPs classify them correctly and not all ESPsprocess them properly.The Email Experience Council (emailexperience.org) has abounce code directory from the major ISPs:http://getsatisfaction.com/deliverability/tags/bounce_codes
    14. 14. Yahoo! Bounce Codes 554 - Message not allowed: DK Email not accepted because it failed authentication against your sending domain’s DomainKey policy 421 – IP reputation based temporary block 451 - A substantial amount of inactive or invalid recipients. 553 5.7.1 – Spamhaus listing 554 5.7.1 – Content based
    15. 15. AOL Bounce Codes 552 Mailbox full 552 Message exceeds maximum fixed size 550 Mailbox not found 550 Access denied 554 RTR:BL - Permanent block due to poor IP reputation 554 HVU – Complaints 554 or 421 DNS – DNS errors 554 CON - The IP address has been blocked due to unfavorable e-mail statistics
    16. 16. Cox Bounce Codes Sender based – (452, 421, 554) Message based – 552 - [$(_id) attachment extension is forbidden] Recipient based – 550 - [recipient rejected] Oops – 421 - [ESMTP server temporarily not available] Blacklists – Spamhaus, SURBL and URIBL
    17. 17. Hotmail Bounce Codes 550 OU - Related to spam-like content or IP reputation, or for external IP blocking technologies. Examples: Spamhaus XBL/SBL & BM. 550 SC – Spam complaints 421 RP – Reputation or rate limiting
    18. 18. Key Takeaways Bounce removal/handling List hygiene Communication with your ESP Etc. Etc.
    19. 19. More Resources LeadSpend.com Deliverability.com emailexperience.org
    20. 20. Thank You!Craig Swerdloffcswerdloff@leadspend.com917.648.6838
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