Hi, you can follow this:
Use port 993 for IMAPs for the client to retrieve mail
port 587 to send mail:
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Hello. I have Exchange 2019 on-premise.
I tried to connect ThunderBird mail client via IMAP protocol.
I don't understand what protocols and encryption methods are needed.
Can you explain in detail about ports and encryption methods ?
Should I use only 25 and STARTTLS as modern technologies ? I have heard that ports 465\587 are considered obsolete.
I can't relate, ports, encryption methods and how the connectors in Exchange depend on it.
Hi, you can follow this:
Use port 993 for IMAPs for the client to retrieve mail
port 587 to send mail: