Hi,

We frequently have to create relay rules to remote smtp servers using username 
and password.

Before we create the confguration, we always check the availability of the 
remote server and port and we also try to check if the provided username and 
password are valid.

For this we are using openssl and curl but both are unreliable because both can 
report false positive and false negative results.

I'm wondering how others would do this. Is there a similar tool to check smtp 
auth like 'smtp-source' for stress testing? Or everyone has to come up with 
their own solution?

Any idea is appreciated!

JSjr

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