way to set smtp

my problem is that my internet provider is bell, and there security setting are very high, and when i want to send a e-mail i have to disable avast for the mail to be send, when i receive there is no problem whatsoever, so my question is where in the free version of avast is the setting to disable the scan for the outgoing message??
i never find it
thanks

sorry but just find it, thanks anyway
it’s an error 18 (the 18 inch betwen the compu and the chair)
hehe

Rather than lower your defences, why can’t you send email what errors are you getting?
What OS are you using?
What email program are you using?