The first time I ordered from him, he e-mailed me that my order had been sent on 11/6.

I finally receive the package on 12/6.

The postmark from G*'s country was 11/26.

I don't know if that means that is when it was REALLY shipped or if the package left his hands on 11/6 and didn't end up in a postmarking (if there is such a thing) location until 11/26.

I know here in the US the postmark is from the first mailhandling Post Office hub it reaches after you mail the package.

Probably a little different and a lot less efficient in other countries