Is that a setting? I use TextSecure, and when my data cuts out, it simply fails to send the message and tells me. Every message I've ever sent (that I can quick

Is that a setting? I use TextSecure, and when my data cuts out, it simply fails to send the message and tells me. Every message I've ever sent (that I can quickly see) has the padlock icon next to it, which I'm assuming guarantees it was encrypted.