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The different ERS databases are the following:
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Realtime Blackhole List (RBL) Database
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Dynamic User List (DUL) Database
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Relay Spam Stopper (RSS) Database
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Open Proxy Stopper (OPS) Database
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Non-confirmed Mail List (NML) Database
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Quick IP Lookup (QIL) Database
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RBL (Realtime Blackhole List) Database
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This database contains IP addresses proven to be sources of spam. IP addresses may be a multi-hop (multiple IP) open relay, a spam source, or a spam support service (e.g. a web server or name server).
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To request removal from the database, the administrator who is responsible for the listed IP or IP block should contact the ISP and give the following:
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The bounce email received, or any other proof
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The rejected IP address
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The ISP will then contact our investigators via:
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Email: rbl@mail-abuse.com
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For more information on RBL+, see http://www.mail-abuse.com/.
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Dynamic User List (DUL) Database
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This contains IP addresses or an IP block from ISPs for their dial-up users who have been spam sources.
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To remove an IP from the database, users should do any of the following:
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Contact the ISP, who will then make a request via:
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Email: dul@mail-abuse.com
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Webform: http://www.mail-abuse.com/cgi-bin/nph-dul-remove
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Reasons for the removal of the IP address(es) should be given.
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Configure the mail client or their own mail server to relay outbound mail through the ISP's designated mail relay.
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Relay Spam Stopper (RSS) Database
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The IP addresses in this database are open relays. They are not the real sources of spam, but can be used to relay spam mails.
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Do one of the following to remove an IP from the database:
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For administrators, secure your proxies so they will not be open relays.
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For those whose mail servers are hosted by ISPs, contact the ISP.
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For those who want to request a removal, use the Lookup Tool to verify if your IP address is in the database, and then complete the removal request form. After you submit the form, we will retest and then remove your server from the list if it no longer relays third-party mail.
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Open Proxy Stopper (OPS) Database
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This contains IP addresses that are open proxies. These are similar to open relays, but they do not use the standard SMTP port 25.
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To remove an IP address from the database:
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Reconfigure your mail server so it will not be an open proxy.
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Contact your ISP if they are hosting your mail server.
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Request for its removal. To do this, use the Lookup Tool to verify if your IP address is in the database, and then complete the removal request form. After you submit the form, we will retest and then remove your server from the list if it no longer relays third-party mail.
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Non-confirmed Mail List (NML) Database
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The NML contains IP addresses are sources of mailing lists, but do not inform the owners that their email addresses are included in the list.
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If the mailing list already has a procedure that secures approval to add an email address, a listed IP can be removed from the database. Contact the MAPS NML team through nml@mail-abuse.com to request a removal.
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Quick IP Lookup (QIL) Database
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When an IP address is caught as a spam source, it is added in real time to the QIL database, and may stay there from five (5) minutes to 12 hours. The duration depends on how frequent it has been added to the database.
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Request for a removal is done through http://www.mail-abuse.com/lookup.html.
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Related Information:
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Adding IP addresses to the ERS databases
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