On Tue, Nov 15, 2022 at 03:07:42PM +0000, Juan Smitt Jr wrote: > 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.
Unfortunately, "posttls-finger" does not have support for performing SASL authentication probes. > 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? You could try https://www.google.com/search?q=swaks -- Viktor.
