can't send messages

[gajikpdjbc]

i using paid microsoft account gaji.kpdjbc@bagiankeuanganbc.onmicrosoft.com 
every time i sent a message then at the same time the error code 550 5.7.501 always show up (Remote Server returned '550 5.7.501 Service unavailable. Spam abuse detected from IP range.)

i already asked in outlook support. They said my problem would solved here

please help me to fix this

ive been struggling for a week

big thanks

[#2]

Hi @gajikpdjbc
There are several posts about this. Have you checked anything of the following pages:

https://lmddgtfy.net/?q=Remote%20Server%20returned%20%27550%205.7.501%20Service%20unavailable.%20Spa....

Best regards
Schnittlauch