identify 143 vs 993 clients

[Voytek]

On 26 May 2020 4:48:51 AM AEST, mj <lists at merit.unu.edu> wrote:

>I would then ask them to move over to 993, and finally disable port 143 
>altogether.
>

jumping here with a question, if I use 143 with STARTTLS, and, force TLS/SSL in configuration, that's equivalent from security POV, isn't it? and, same for 110 STARTTLS? 
Or am I missing something?

thanks,
V
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