I will be sending payment for the *** shortly

Is this a correct sentence? Shouldnt it be I will send ...
In this sentence both "I will send..." and "I will be sending..." are OK, and mean pretty much the same thing.
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Thank you for your reply. I asked because in Polish continuous form in this case sounds odd.

Hi Carme, i will be sending the signed affidavit today thru Makati mail.

I will be sending them before end of business today

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