1. Belnet Antispam Pro A practical example Belnet – Aris Adamantiadis BNC – 24 November 2011

2. 2Belnet Antispam Pro: a practical example Agenda 24.11.2011 The problem with SPAM –The worth of spam –Spam is dangerous –Possible solutions Antispam pro –Advantages –Features Demonstration

3. The problem with SPAM

4. 4 Email is critical –Highly important communication channel –Staff & students expected to read mails –Also source of unsolicited “commercial” emails… Email is a huge mass-market platform –Spammers send huge volume of bulk emails –Even very low click rate (below 1%) produce huge profits Spammers abuse your resources 24.11.2011Belnet Antispam Pro: a practical example

5. The worth of spam 5 0.000008 % success – 8 sells on 10 million emails – Spam business not going to stop Belnet Antispam Pro: a practical example24.11.2011

6. 6 Spam is dangerous Numerous threats –Abuse of human and computer resources –Identity and information theft –Extortion of money – Estimated cost of spam: €100-300 /user /year It is important to protect against it –Antispam filter –Antivirus solution 24.11.2011 Belnet Antispam Pro: a practical example

7. 7 Possible solutions In-house Antispam solution – Very flexible, independence – Very expensive in HR Commercial appliance – Good maintenance – Rack space, power, availability issues Commercial cloud solution – Good scalability, easy maintenance – Where are your data stored ? Belnet Antispam Pro: a practical example24.11.2011

8. 8 Belnet Antispam Pro Cloud-based solution –Customizable and scalable spam and virus protection –Automatic updates in spam protection software –High availability Flexible –Easy user management and delegation –Customizable by customer Complete –Inbound and outbound mail spam scanning –Detailed Reporting Belnet Antispam Pro: a practical example24.11.2011

9. 9 Architectural overview Belnet Antispam Pro: a practical example24.11.2011

10. Antispam Pro : Advantages

11. 11 Advantages Less spam –Around 98% of spam caught –Economies in bandwidth, storage and hardware Cloud service –No hardware needed –No infrastructure maintenance –Scales to your needs –Emails stay in our network Belnet Antispam Pro: a practical example24.11.2011

12. 12 Advantages Easy to use –Access through (simple or expert) web interface –Allow configuration per: institution, domain, end-user –Administration delegation Makes it easy to have different administrators for each domain –Interactive help on all Web User Interface pages Cost effectiveness –Less resources spent, less bandwidth, less maintenance Belnet Antispam Pro: a practical example24.11.2011

13. 13 Advantages IPv6 compliant –Your email service is publicly available on IPv6 from day 1 Multiple authentication methods –LDAP(s), Active Directory, IMAP(s) –Belnet R&E federation Support –24/7 Helpdesk for urgent issues –24/7 service monitoring (NOC) –Business hours standard support Belnet Antispam Pro: a practical example24.11.2011

14. Features of Antispam Pro

15. 15 Functionalities Blacklisting, whitelisting Greylisting SPF, DKIM Bayesian filtering Antivirus Phishing detection Geolocalisation Belnet Antispam Pro: a practical example24.11.2011

16. Feature – Spam filtering Possible actions on spam –Trap –Tagging –Reject –Drop Log searching –Based on recipient, stream, date, subject, … 16Belnet Antispam Pro: a practical example24.11.2011

17. Customization - Realms 17 baseadvanced Customer A Customer B basic Customer C Belnet Antispam Pro: a practical example24.11.2011

18. Customization - Realms 18 Customer AAdmin domainsa.example.comb.example.com Students domains c.example.com Single administrative entity Belnet Antispam Pro: a practical example24.11.2011

19. User login End users can log in the platform (if permitted) –Authentication via AD, LDAP, Belnet R&E Federation, POP3, IMAP –Users can change some settings Users can access the trap –If quarantine is used (optional feature) –Spam emails are stored in a trap for 40 days 19Belnet Antispam Pro: a practical example24.11.2011

20. 20 Belnet “best-practice” filter Discard viruses Tagged subject with score > 5 Reject spam above score 20 Use blacklists to add score Customized filter (per domain) Discard viruses Tagged subject with score > 5 Reject spam above score 8 Use blacklists to block End-user filter Custom settings: Discard viruses Tagged subject with score > 5 Reject spam above score 20 Use blacklists to add score Predefined filters: Lenient Normal Strict No Scanning No customization: Filter settings and inheritance Belnet Antispam Pro: a practical example24.11.2011

21. Outgoing mail server Antispam Pro can be used for outgoing mail –Email goes through spamfilter for security –Rate-limiting mandatory (on a reasonable basis) Only for Antispam Pro customers –Access permitted on basis of IP address (yours !) –Not a separate product 21Belnet Antispam Pro: a practical example24.11.2011

22. Virus scanning Virus scanning enabled by default –Currently using ClamAV –No AV can give 100% success rate –AV solution will be enhanced in near future Emails scanned positively are rejected –Setting is customizable but change is discouraged 22Belnet Antispam Pro: a practical example24.11.2011

23. Demonstration

24. In practice How to implement –Email, phone call to CR department –Appointment with Technical Advisor –Contract + implementation Pricing –Based on amount of users –Organization category 24Belnet Antispam Pro: a practical example24.11.2011

25. Briefly Antispam PRO is a very effective way of resolving the spam problem – Fully customizable, a-la-carte email filtering – High availability – Cloud-based, no infrastructure – Secure – Interested ? See us ! customer@belnet.be - 02 790 33 33 customer@belnet.be 25Belnet Antispam Pro: a practical example24.11.2011

26. Bonus: Cost of Spam 1 FTE : ±60.000€ /year –220 days of 7.5 hours –35€ per hour 20 Spams per day –5 seconds per spam to clean up –1.6 minutes every day –6 hours every year 200 € of unproductivity /year 26Belnet Antispam Pro: a practical example24.11.2011