Hi Shariful, After following all the steps the issue is fixed Thank you so much for your prompt response

I have tried this command ____zmprov ms mail.xyz.in zimbraMtaSmtpdSenderRestrictions "check_sender_access lmdb:/opt/zextras/common/conf/restricted_sen...

Hi, When I try to run the setup again its shows an error zextras@mail:~$ carbonio prov ms mail.xyz.in +zimbraMtaSmtpdSenderRestrictions "check_se...

@Md. Shariful Islam