Mail Strainer Quarantine

• Server administrator or end users can manage mail queues either per-account or via a domain wide SuperUser queue.
• Recipient verification scans mail only for valid users and automatically rejects mail for invalid users on your webservers.
• Regular email digests of spam queue with clickable ‘release’ or ‘resend’ links — users NEVER have to log into a web interface to rescue/confirm mail if they don’t want to.
• Re-send mail to your inbox you either missed or accidentally deleted — both SPAM and non-SPAM are saved in quarantine and can be released or resent for up to one week.
• Secure SSL encrypted web access for added security
• Brandable web interface URL (for example, http://filter.yourdomain.com/)
• Also functions as a Backup MX.  Mail is held even if your server is offline and delivered to you when your server comes back online.

Mail Strainer Filtering Engine:

• No custom configuration needed on your servers – only change your DNS records to our Mail Strainer MX servers.  Mail Strainer works silently between the internet and your current email servers.
• Reduce server load and memory usage significantly — only clean, filtered mail reaches your network.
• Bayesian filters learn from your SPAM and non-SPAM to help reduce false positives and negatives based on your unique mail flow.
• Over 2500 SPAM scoring rules, updated twice daily.
• Over 10 score-based RBLs (realtime block lists) reduces false positives –  no mail can be blocked based on a single RBL listing.
• Advanced Policy engine stops dictionary attacks and all other types of email DOS attacks.
• Botnet tracking blocks SPAM and VIRUS attacks from known botnets.
• Virus definitions updated hourly.
• Confirmed SPAM automatically reported to Razor, Pyzor, and SpamCop.
• Scalable cloud-type filtering  infrastructure can seamlessly adapt to any mail load.