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SMTP server returned error “Illegal address syntax from unknown in MAIL command:” when emailing the historical logs from an EGX300

Issue
 
The smtp server returned back the following error:
 
Nov 26 09:16:03 ip-10-10-20-165 postfix/smtpd[23309]: warning: Illegal address syntax from unknown[192.168.0.64] in MAIL command: test@Schneider-electric.com
 
Also, the diagnostic page of the EGX300 shows a "connection error" under the SMTP portion.

Product Line
EGX300 

Environment

EGX300 built in webpage configuration 

Cause
 
The from and to addresses are not in a format that the SMTP server recognized
 
 

 
 
Resolution
 
Add the signs "<" and ">" to the from and to address and try to test the email.
 

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