Cant send external emails exchange 2019

[BarakaNjare]

I have tried all post but my mail queue is getting full and i cant send external emails. I can receive both external and internal and i can send internal

[#2]

Hello,

You can use this link for test:

https://testconnectivity.microsoft.com/tests/exchange

Its pratical and can give you a good diagnostic.

Regards,

[#3]

with this all seems to be well, no single error

[#4]

@BarakaNjare 

You are created a send connector for this domain ?

[#5]

@AyoubKochbati  yes i have see below

[#6]

@BarakaNjare 

Here some steps:

1-Check the SMTP service is running:

Open the Services console by clicking Start > Run > and typing 'services.msc'
Locate the service Simple Mail Transfer Protocol (SMTP)
Set the service to Automatic and start it

2-Check your firewalls