Welcome to the Archived, Readonly Zimbra Collaboration forums. Here’s the place where we talked about all things related to Zimbra email products. Registrations and postings are disabled here.
Be sure to visit https://www.zimbra.com/forums to start new discussions and to find the latest answers to questions being asked.
Originally Posted by meesha
Phoenix, it is not about one port or other port. It is about if is possible add next port for one service.
Yes, it is about that - all you have to do is use the correct port and all your problems will go away without modifying anything in postfix or zimbra.
Acompli: A new adventure for Co-Founder KevinH.
If the submission port 587 is filtered in the hotels. I would like to use different port (like 20025 or 23 which should be enabled).
That's why is good to can use different port. 587 and 23 simultaneously.