48 countries have recognised the SADR as an independent country.
However no European state has diplomatic relations with the SADR.
Important countries, such as India and Peru, have even redrawn their diplomatic relations with the SADR.
Other countries (such as Colombia and Paraguay) are waiting till a political solution is found for the disputed area.
What about UPU ?
The 'state' isn't recognised by UPU, so unfortunatly, it sould be considered as 'bogus'.
It wasn't so hard to find out, since all the stamps of Saharaui (formerly Spanish Sahara) are CTO cancelled, and have typical designs and printing qualities as most CTO emitting countries in the 70's and 80's (Laos, Nicaragua, Cuba, ...)