Review your options.
An hour talking to India at local call rates
Setting up a new email account with another provider ~ and informing everyone who has your email address of the new one + costs of changing business stationery
Setting up a new email account with the same provider ~ and informing everyone who has your email address of the new one + costs of changing business stationery
Forget it and tell everyone of your web-based account and hope you don't lose too much business + costs of changing business stationery
It looks like a no-brainer from here mate. Speak to the nice Indian.