Today i received a large number of refunds for the date of 29 july....all images purchased at the big size.
any others in my same situation ?

pretty crap this thing

just had 2 refunds (both XS)

@OP, you and moncherie may be one and the same, but if not, s/he wrote:
I have received 4 refund mails at the same time and i think it handles here a refund bug.
This is in reference to the file downloaded on September 29 in the amount of $80.00.

We regret to inform you that a refund has been issued for a purchase of your file #18676627:
This is in reference to the file downloaded on September 28 in the amount of $80.00.

We regret to inform you that a refund has been issued for a purchase of your file #18676627:
This is in reference to the file downloaded on September 28 in the amount of $80.00.

We regret to inform you that a refund has been issued for a purchase of your file #18676627:
This is in reference to the file downloaded on September 28 in the amount of $90.05.

Seeing these mass refunds on high-res files is always a red flag. It's frustrating how agencies handle these 'bulk' refunds without providing a detailed explanation to the photographer. It makes you wonder if it's a technical bug or just poor buyer vetting. Either way, it's our hard work and income on the line