For example, you can create an out-of-office message that includes a link to an online form that a person can use to override your filter system and send a text message to your phone.

BBC: Managing e-mail while on the road

The message includes a number for the Russian online payment system, Qiwi Wallet, and the Tsarnaev family address in the social network, VKontakte.

BBC: Boston bombings: Pro-Tsarnaev posters in Chechnya