Unethical e-mail senders bear little or no cost for mass distribution of messages, yet normal e-mail users are forced to spend time and effort purging fraudulent and otherwise unwanted mail from their mailboxes. In this article, I describe ways that computer code can help eliminate unsolicited commercial e-mail, viruses, trojans, and worms, as well as frauds perpetrated electronically and other undesired and troublesome e-mail. In some sense, the final and best solution for eliminating spam will probably take place on a legal level. In the meantime, however, you can do some things from a code perspective that can serve as an interim solution to the problem, until (if ever) the laws begin to evolve at the same rate as public frustration.
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Specifying the DNS blacklist sites to check
You can specify one or more sites that the Domino server’s SMTP task will use to identify whether a connecting host is a “known” open mail relay or spam source. You must specify sites that support IP-based DNS blacklist queries.
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DNS blacklist filters overview
DNS blacklist filters are a new and powerful feature in Domino 6 and one of the more effective weapons against spam. With the DNS blacklist filters enabled, Domino will check inbound mail to see whether it originates from a mail server that is listed in one or more DNS blacklists (DNSBLs).
DNSBLs are databases that keep records of Internet SMTP mail hosts that are known sources of spam or permit open mail relaying. DNSBLs are maintained by many sources, both free and fee-based, and their effectiveness varies, so you may need to experiment with different DNSBLs to see how effective they are in your environment.
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Spam mail or junk mail is the bane of every e-mail lotus notes user’s existence. It is a constant battle to keep junk mail out of your e-mail inbox, and to keep your e-mail system a productive tool. Lotus Notes and Domino has some features to prevent you in the battle against spam mail. This tutorial is for Domino/Notes administrators who want better control over spam or junk mail. It covers using the new features of Domino to block and manage spam, as well as some existing features.
You should be familiar with the following:
- Domino systems administration
- E-mail technology and Simple Mail Transfer Protocol (SMTP)
- Domain Name System (DNS)
- Transmission Control Protocol/Internet Protocol (TCP/IP)
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Today Domino server have spam mail too much same as other Mail Server then we need to filter spam from Domino Server for improve performance. Try to follow step below for filter spam from your Domino Server.
Quick Guide to Notes/Domino Mail Control Features
Server Level Control Of Mail
1. DNS Blacklist (DNSBL) Filters:
- Enforcement options: Log only, Log and tag message, Log and reject message
- Custom error response for rejected messages
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