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1. http://MultiRBL.Valli.org
2. http://www.senderbase.org/
3. http://JustSpam.org
4. http://BlacklistAlert.org/
IPs to Check:
130.64.213.204
130.64.213.205
130.64.19.52
130.64.19.53
130.64.113.6
Keep it Simple ways to check
Read the bounce messages, often it will be an error in the 500's sometimes 544, like the below example:
| Code Block |
|---|
> > SMTP error from remote mail server after initial connection:
> > host MX.nyu.edu [128.122.119.206]: 554-r1.home.nyu.edu
> > 554 Your access to this mail system has been rejected due to the
> > sending MTA's poor reputation. If you believe that this failure is in
> > error, please contact the intended recipient via alternate means.
> > |
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