Hi,
I am facing issue sending emails, if use other machine in same network. please find the attached file.
See I have installed the Bitnami Roundcube in windows 2016 server, the same machine the email was sent successfully, but I have tried in different machine unable send email.
getting error : smtp error 554 connection to server failed.
How do I fix this issue? here with attached my configuration as well for your kind reference. please lookup and let me know.
I have tested the local users can send emails to my office 365 online exchange server user, working fine .
but how get email from my office 365 online exchange server user to my local roundcube email users? it's possible?