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Mail users on Plesk server are unable to receive or send messages: 454 4.7.1 Relay access denied – Plesk
Mail users on Plesk server are unable to receive or send messages: 454 4.7.1 Relay access denied – Plesk
![The server rejected one or more recipient addresses. solarwinds alert email - Forum - Network Performance Monitor (NPM) - THWACK The server rejected one or more recipient addresses. solarwinds alert email - Forum - Network Performance Monitor (NPM) - THWACK](https://thwack.solarwinds.com/resized-image/__size/820x615/__key/communityserver-discussions-components-files/4/pastedimage1694717160353v2.png)
The server rejected one or more recipient addresses. solarwinds alert email - Forum - Network Performance Monitor (NPM) - THWACK
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