Yes, kannel have such feature. But it's not really convinient to use it, because you have to adjust config files each time and reload kannel completely.
Better handle this on your application (e.g. your script) and also add captcha to make sure it's not bots sending messages. 2013/12/7 Faizan Mirza <efuz...@gmail.com> > Hello, > > I am allowing users to send Free SMS to local country numbers but some > people as you know abuse and send bad messages to others so before they > complain we monitor and blacklist recipient number so he/she wont receive > any message so how to apply blacklist numbers for outgoing messages please > help... > >
