we are running 500 users on MS Exchange server 2007 and currently using CISCO ironport C150 which has been end of life now.
Could you guys please help me to find a product as replacement which should.
1. from a reputed company.
2. have good support services.
3. have good antispam record.
4 last and most importent, reasonable in prices.
we are planning to purchase it in India but if nothing find good here we can install it in our US datacenter too.