10
Q: Why am I being blocked when my SenderScore is 99? Q: How Did I Get Blacklisted?
A: SenderScore is only part of the formula ISPs use to block emails. There
are a number of other reasons you could be blocked, so be sure to consider
your current sending threshold, check keyword spam reports and review
reputa on management sites. Here are a few you can use:
A: The top reasons for ge ng blacklisted are:
• User Feedback Data
- Spam Complaints
• Spam Traps
• Very old email addresses that should no longer be receiving emails
• Email addresses that never signed up for your emails
If you find yourself blacklisted, there's a strong chance you have a data
hygiene problem. If your users (a) requested and want your email, and (b)
have valid, ac ve email addresses, there is a much lower chance they would
submit spam complaints, or that your list contains spam traps.
Reputa on Management Sites Blacklist Sites
www.SenderScore.org h ps://mxtoolbox.com/blacklists.aspx
www.Reputa onAuthority.org h p://mul rbl.valli.org/
Barracuda Reputa on h ps://www.spamhaus.org/
h ps://www.spamcop.net/
FAQs on IP Blocking
