Tusanga Mail ^BETA

Anti-spam filter

Incoming mails are checked by our custom made spam filter. The software utilizes a number of techniques.

• GeoIP blocks mails from specific countries known for spamming.
• Rate limiting blocks some Denial-of-Service (DoS) attacks on our infrastructure.
• DNS forward/reverse lookup prevents the origin mailserver from faking it's identity.
• MX lookup prevents sending mails from a made-up domain.
• DNS black lists block known spam senders.
• Meticulous inspection of header fields syntax catch spammers who are sloppy
• SPF, DKIM and DMARC checks identify mails which fake their origin.
• URI DNS black lists identify mails with links to spam and other fake websites.
• Spam words list helps recognized common terms in spam mail.
• Phishing checks find discrepancies in html links.

Outgoing mails are also checked by our spam filter using a subset of the above features.

Anti-virus filter

Incoming and outgoing emails are checked by our anti-virus filtering system. The clamAV anti-virus engine is used for this purpose.

Tuning

Getting spam is useful when tuning our spam filter. For this purpose, we have included a dummy mail address below. Please do not write to us using it - we only list it here for spam bots to find and do not read the mails received.

xxxx.xxxx@tusanga.com

Now go mail someone!