Razor2 is a hash sharing system based on fuzzy checksums. It builds a feature vector from the content of the email and then makes a distance comparison between it and known spams in a cloud database.
What is Razor2 spam check?
Razor2 is a distributed, collaborative, spam detection and filtering network. Through user contribution, Razor2 establishes a distributed and constantly updating catalogue of spam in propagation that is consulted by email clients to filter out known spam.
What Does listed in Razor2 mean?
It’s a system that builds from the content of the email and then makes a distance comparison between it and known spams in a cloud database. Razor2 is owned by Cloudmark IP Reputation Portal According to the Razor2 FAQ Page. Q: Razor has blacklisted my email address.
How do I report spam to SpamAssassin?
Other SpamAssassin users may benefit from your efforts to report spam! If you enable the SpamCop plugin, just run spamassassin -r to report a spam message.
Who uses spamassassin?
Companies Currently Using SpamAssassin
| Company Name | Website | Country |
|---|---|---|
| cPanel | cpanel.net | US |
| Paubox | paubox.com | US |
| Хеликс, лабораторная служба | helix.ru | RU |
| Vilocity Interactive Inc. | vilocity.com | US |
Is my email going to spam test?
Use a third party tool, like mail-tester.com, to check if your emails are being blocked by a spam filter. Go to Click the “Copy” icon to copy the email address given to you in the First, send your email to field. Important: Keep your mail-tester.com tab open.
How do I use SpamAssassin to blacklist email addresses?
If SpamAssassin is not currently enabled just select the Enable SpamAssassin button and the SpamAssassin panel will load. The area we will be focusing on for this guide is the E-mail Blacklist section. Here you can use the wildcard TLD, wildcard domain or specific email address you wish to blacklist.
How to block TLDs/domains in SpamAssassin?
When you paste the TLDs, domains or email address in the user preferences file you need to ensure that they are prefixed with blacklist_from, for example blacklist_from *@*.live, otherwise SpamAssassin won’t be able to block the list. Once completed just click the Save button and then press the Back to return to the SpamAssassin panel.
How does SpamAssassin detect spam emails?
Users of SpamAssassin can employ block lists from various sources, including Spamhaus. The data from the email header and contents is checked against the data in the block lists and scored to determine whether it should be considered as spam, or not. What’s changed?
What is whitelist_from_Rcvd in SpamAssassin?
Same as whitelist_from_rcvd, but used for the default whitelist entries in the SpamAssassin distribution. The whitelist score is lower, because these are often targets for spammer spoofing. Specify addresses which are in whitelist_from_rcvd that sometimes send through a mail relay other than the listed ones.
