I am running a
Postfix server and I would like to know the meaning of suffixes that mail filenames have. For instance:
1338839258.Vfe02I2a6f0M572204.example.com:2,S 1338840057.Vfe02I2a6f1M483134.example.com:2,S ...
And also, what's the criteria to assign them? I've been searching information on this topic, but I have only found references to