Mail delivery failed: returning message to sender user has sent a high volume of mail detected as spam in last 24 hours

[hehezalvin123]

Please help me to fix this

 

[hehezalvin123]

hello

 

[cPanelWilliam]

Hello! Based on the bounceback error, it appears that a user from your server could be sending out spam emails. Typically, the best solution for this would be to track down the compromised email account, update the account's password and scan any devices that were used to log in to the account recently. Just in case it helps, I'll include some additional resources below which may help track down the source of spam:

Using cPanel's Mail Status Probe (MSP) script to diagnose spam related issues

How to find the source of spam emails

 

[fer.1090]

yo tengo el mismo problema ya elimine las cuentas que estaban mandando pero sigue mandando muchos correos donde explican que se estan rebotando por intentos de salida de esas cuentas que ya no existen.

que puedo hacer?

 

[cPRex]

@fer.1090 - ¿Ve los mensajes que realmente se envían desde su servidor, o solo recibe los rebotes fallidos?

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Do you see the messages actually being sent from your server, or are you only getting the failed bounces?