Dear madam/sir

We are a LIR in Iran. So we have to pay our invoices frequently.
But the problem is we are banned from SWIFT and every money transfer company or bank.
So there is no legal way to pay our invoices. Even we don't have any credit card or Paypal too.
We must resort to third parties to make payments. This does not work well.
Why is the Paypal system blocked for us?
This is not fair.
Is there any way for us?
Thank you.

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Best Regards
Reza Madadi