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Email rejected with '530 SMTP authentication is required'


Question / Problem: 

Email gets rejected with error '530 SMTP authentication is required'

Answer / Solution: 

Customer has setup their email client to send email FROM Readsoft Online. This is of course not permitted.

Example on how the rejected email body can look like:

From: <<>>
To: <<>>

Here we can clearly see that they are trying to send FROM The FROM address should be from the customer email server.

Applies to:  

Product Version Category
Readsoft Online   Email input



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