Remote host said: 554 5.7.1 DNS Blacklisted

popowich

EQ Forum Admin
Staff member
Hello,

Did you get the error 554 5.7.1 DNS Blacklisted?

- Do an RBL check of your IP address at MX Toolbox
- If you are not listed there, contact the destination and ask for more information including asking if you are on their in-house blacklist
- Verify that your server is not and has not recently be used for spamming / backscatter, if so fix the problem before you try and delist your IP address
 
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