Spam Filtering & Blacklists

11 articles

Articles

What to Do If Your Email Is Blacklisted

If your emails bounce with words like "blacklisted", "blocklisted", "listed on DNSBL" or "blocked by Spamhaus", the IP address or domain your mail comes from is...

552Updated 1 weeks ago

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How to Configure Spam Filters

To configure spam filters on Domain India hosting, you mostly tune what is already running: SpamAssassin checks every incoming message on our cPanel and DirectA...

Intermediate6 min349Updated 5 days ago

Disable Email Spoofing in cPanel/WHM (Shared Hosting)

End-of-Life Warning: CentOS 6 and CentOS 7 have reached end-of-life and no longer receive security patches. If you are still running CentOS 6/7, we strongly rec...

Intermediate7 min2,606Updated 5 days ago

How to Identify Outbound Spam on a cPanel Shared Hosting Server

If spam is leaving a cPanel hosting account, it is almost always coming from one of three places: a mailbox whose password was stolen, a website form that bots ...

Advanced9 min1,205Updated 1 weeks ago

Understanding Server IP Reputation and Real-Time Blackhole Lists (RBLs)

Every mail server that receives your message asks two questions before it looks at the content: how trustworthy is the IP address this came from, and is that IP...

Advanced8 min1,234Updated 1 weeks ago

Email Security Best Practices: Defending Against Modern Email-Based Attacks

Email is still the easiest way into a business. A convincing message can steal a password, redirect a payment or plant malware, and a stolen mailbox can then be...

Intermediate10 min2,282Updated 5 days ago

Understanding Email Blacklist Management: A Complete Guide

An email blacklist (also called a blocklist) is a list of IP addresses or domains that have been seen sending spam. When a receiving mail server finds your serv...

Advanced10 min1,825Updated 1 weeks ago

Mastering Email Security: A Comprehensive Guide

Email security for a domain rests on a handful of DNS standards. Three of them, SPF, DKIM and DMARC, stop other people sending mail in your name and help your g...

Advanced6 min1,997Updated 1 weeks ago

Navigating the Email Landscape: Understanding Spam, Bulk Mail, and Opt-In Practices

Email is still one of the cheapest ways for a business to reach customers, but the line between a useful newsletter and spam is consent. Get consent right and y...

Intermediate9 min1,485Updated 1 weeks ago

Enhancing Email Security with Easy Spam Fighter and Rspamd in DirectAdmin

DirectAdmin can filter spam in two layers: Easy Spam Fighter, which checks each message while it is being delivered, and a content filter, either SpamAssassin o...

Intermediate8 min2,836Updated Today

The Spam Assassin SpamBox

SpamAssassin is the spam filter built into the email that comes with Domain India hosting. It reads every incoming message, gives it a spam score, and marks the...

Intermediate9 min74,941Updated 5 days ago