Explaining DNS Records | Set UP DNS Record | Name Server (NS) | A | PTR | TXT | SPF | DKIM | DMARC |

Zimbra OSE will be EOL on 31 December 2023, so plan for migration. Already Ubuntu 18.04 LTS is EOL so for those server who runs on Ubuntu 18.04 is in most critical state.

Carbonio community edition is the most well suited and featured alternative of Zimbra OSE. Try it by yourself:
https://zextras.com/carbonio-community-edition

My LinkedIn profile:
https://www.linkedin.com/in/imsilsa

For any professional help:
Whatsapp: +8801717369752

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#dmarc #srv #cloudflare #namecheap #linux #opensource #carbonio #community #zextras #email #emailsecurity #emaildeliverability #webmail #ose #eol