Em client stuck in Retry

Hello Support,

My emails has been not been going for the last 48hrs but i can receive,

All mails are going to retry queue.

How do i fix this as users are already complaining of inability to send out emails.

Below is error from the logs found

Thu 2024-03-14 23:59:55.008: 05: Attempting SMTP connection to 52...:25
Thu 2024-03-14 23:59:55.008: 05: Waiting for socket connection…
Fri 2024-03-15 00:00:16.013: 04: * Socket error 10060 - The connection timed out.
Fri 2024-03-15 00:00:16.013: 05: * 52.
.. added to connection failure cache for 5 minutes
Fri 2024-03-15 00:00:16.013: 01: * This message is 1 minutes old; it has 59 minutes left in this queue
Fri 2024-03-15 00:00:16.014: 04: SMTP session terminated (Bytes in/out: 0/0)

Kindly assist or point me to where i can fix this.

My retry queue currently is 29728.

Thanks.