I honestly don't think my or your opinion matters with regards to that.
If he tells a foreign official anything at any point in time whether it be email, phone call, twitter etc. it's official. He can't claim that he was taking a break. He can delete a tweet, but that doesn't mean that it didn't happen.
If he tells a foreign official anything at any point in time whether it be email, phone call, twitter etc. it's official. He can't claim that he was taking a break. He can delete a tweet, but that doesn't mean that it didn't happen.