Admittedly, this feature would only be useful for people with the Postmaster or Postmaster-General thingies, but it would be really handy for those with ‘em to have a way to look for a particular telegram without manually searching all of them, or all of those in a folder.
The Ambassador of the Confederacy of Allied Sapients is Lirn Jenht Olsh, who is definitely an alien of some sort.
A Tier 8, Type 8.5-ish civilization by this ranking. Has routine contact with a Tier 10, Type 7 civilization and may or may not be piggybacking on some of their tech.