Answer
Thank you very much for your question. Fortunately, you just place your visa order for fews bours and we still not submit to get approval letter from Vietnam Immigration Dept., for your visa therefore we will cancel & refund you the money if you want. Before cancelling an refunding your money, we would like to confirm you that we are not cheat you.
We have mo comment on what the embassy told you but we can guarantee that visa on arrival Vietnam is true. You must have the approval letter from Vietnam Immigration Department (Vietnam government) then you can show to board and show to get visa on arrival at visa issuing office at international airport of Vietnam. Therefore we cannot saying that Vietnam visa on arrival is not true. However, we launch site from 2007, we cannot live until now to serve you if we cheat you about Vietnam visa on arrival. Not only Vietnam run visa on arrival but visa on arrival is worldwide accepted.
Vietnam visa on arrival is a big achievement, it facilitates and give opportunity for travellers living far from Vietnam embassy or without embassy presence can visit Vietnam easy. It help many people can come Vietnam fast and easy for emergency case. We cannot saying that Vietnam visa on arrival is not true.
If you still not trust my words, you can read documents about Vietnam visa on arrival from government official site :
Ordinance On Entry, Exit And Residence Of Foreigners In Vietnam. Click here
Decree No. 21/2001/ND-CP of May 28, 2001 Detailing the Implementation of the Ordinance on Entry, Exit and Residence of Foreigners in Vietnam. Click here
Joint Circular No. 04/2002/TTLT/BCA-BNG of January 29, 2002 Guiding the Implementation of the Decree No. 21/2001/ND-CP of May 28, 2001 Detailing the Implementation of the Ordinance on Entry, Exit and Residence of Foreigners in Vietnam. Click here
Circular 190/2012/TT-BTC - Amending and supplementing the circular No.66/2009/TT-BTC, of march 30, 2009 of the ministry of finance stipulating the regime on collection, remittance, management and use of fees on passports, visas and papers on entry, exit, transit and residence in Vietnam. Click here