Sometimes a user can see the "Some SMS messages are currently pending" notification in his/her account.

What does it mean? This notification most often means that the user's messages are currently processed by a system administrator and have not been sent to receivers yet. Messages are additionally processed by a system administrator only when inappropriate words/ shortenings are found by the system. Lightsms.com has a moderation of messages functionality, i.e. the content of messages is verified by an administrator of Paysera before sending it to receivers.