These 'settlement offers' are at the agent's liberty, and they will try to put pressure on you to 'get the money' by a certain deadline. If they tell you 'the offer isn't valid anymore' it's because that's the way they want it, nothing else. Since you are in NF and this office handles most Maritimes accounts it is likely you spoke to one of my colleagues... if this has not been sorted out by now let me know, I can see what I can do. Just PM me if you still need help and I'll see what the account's status is.
What most likely happened is that following the e-mail your number was removed and the account put in 'dispute', which is short for 'doesn't want to pay', and the nobody bothered pursuing this further.
By the way, we don't accept Western Union payments anymore as the security wasn't optimal in any case, as you highlighted.
Lemme know if I can help,
~Masked_Agent



