Issue with email setup using Mail Bank plugin

Trying to setup SMTP to receive emails and this error message appears:

Checking your settings
Sending Test Email to [email protected]
Email Status : Email Not Sent
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Debug Output :
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220 SN4PR0501CA0123.outlook.office365.com Microsoft ESMTP MAIL Service ready at Sat, 17 Feb 2018 04:24:31 +0000
EHLO localhost
250-SN4PR0501CA0123.outlook.office365.com Hello [168.1.77.37]
250-SIZE 157286400
250-PIPELINING
250-DSN
250-ENHANCEDSTATUSCODES
250-STARTTLS
250-8BITMIME
250-BINARYMIME
250-CHUNKING
250 SMTPUTF8
STARTTLS
220 2.0.0 SMTP server ready
EHLO localhost
250-SN4PR0501CA0123.outlook.office365.com Hello [168.1.77.37]
250-SIZE 157286400
250-PIPELINING
250-DSN
250-ENHANCEDSTATUSCODES
250-AUTH LOGIN XOAUTH2
250-8BITMIME
250-BINARYMIME
250-CHUNKING
250 SMTPUTF8
AUTH LOGIN
334 VXNlcm5hbWU6
aW5mb0Bhcm1vdXJhbGxlbi5jb20=
334 UGFzc3dvcmQ6
JEp1cmlzcHJ1ZGVuY2Uk
235 2.7.0 Authentication successful
MAIL FROM:<[email protected]>
250 2.1.0 Sender OK
RCPT TO:<[email protected]>
250 2.1.5 Recipient OK
DATA
354 Start mail input; end with <CRLF>.<CRLF>
To: [email protected]
From: Armour & Allen <[email protected]>
Subject: Test Email – Mail Bank
X-Mailer: Mail Bank SMTP 3.0.49 for WordPress (https://ww.wp.xz.cn/plugins/wp-mail-bank/)
Content-Type: text/html; charset=utf-8
Date: Sat, 17 Feb 2018 04:24:31 +0000
Content-Transfer-Encoding: quoted-printable
Content-Disposition: inline
MIME-Version: 1.0

This is a demo Test Email for Email Setup – Mail Bank
.
554 5.2.0 STOREDRV.Submission.Exception:OutboundSpamException; Failed to process message due to a permanent exception with message WASCL UserAction verdict is not None. Actual verdict is RefuseQuota, ShowTierUpgrade. OutboundSpamException: WASCL UserAction verdict is not None. Actual verdict is RefuseQuota, ShowTierUpgrade. [Hostname=BM1PR0101MB2019.INDPRD01.PROD.OUTLOOK.COM]

Your Web Host provider may have installed a firewall between you and the server.
Contact the admin of the server and ask if they allow outgoing communication on port 25,465,587.
It seems like they are blocking certain traffic. Ask them to open the ports.
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