...
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
130.64.213.196
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.
> > |
...