Hi @Md.Sharif thanks for the update and the details. So we are looking forward to a working MTA - panel 😉 Have a nice day!

A lot of people asking ... No answer... This is not very confidence inspiring. I am aware that carbonio CE ist free but you have to care about the com...

some additional hint: If you look close at the install-docuit says: IPv6 must be disabled. Make also sure that the /etc/hosts does not contain a...

And also here : Missing MTA Section Ubuntu 20.0.4 Carbonio 23.7.4 (NEW INSTALL) Very unsatisfying situation with no reaction from zextras. 🙁

You, sir saved me a lot of headache... I wonder why the devs did not respond to this! Hope, I have not overseen something.... Fresh Install @ Ub...