Internet service providers solution comparison

Standard ISP network topology before and after COMDOM Antispam



1/
Incoming mail passes through ISP’s rounter

2/ Load balancing router distributes incoming mail equally between ISP servers

3/ ISP mail server front end with antispam scans and marks incoming mail and routes it to a corresponding mail server

4/ ISP mail server back end, which filter/sorts the mail for users and from which end users download their mail

5/ End users that download their mail from ISP's servers

6/ End users that download their mail from their own servers [7]

7/ Mail servers of ISP customers that handle their mail on their own

8/ COMDOM Antispam installed on server supersedes also Load balancing router and accomplishes mail scanning destined for ISP itself and for mail servers of its customers

9/ Scanned and marked mail by COMDOM Antispam is routed to all end users