You cannot send email from a client machine with SEP installed using IceWarp mail server.
"Symantec Email Proxy. No se pudo enviar su mensaje de correo electrónico, el servidor de correo rechazó el mensaje: 451 4.3.5. Requested action aborted: local error processing."
"Symantec Email Proxy. Failed to send your email, your mail server rejected the message: 451 4.3.5. Requested action aborted: local error processing."
Probably the disk drive is full.
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This error occurs when Merak Email Server is trying to read or write to disk and fails.
The most probable causes of this problem are listed below:
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