How can I access my incoming Mail password on iPhone?

"how to access incoming mail password: I have 18.3.2 OS on my iPhone SE gen 2. it's suddenly lost the incoming mail password. I can't find it written down anywhere, but it is plugged into 2 other devices and works fine. only problem is the password is bulleted out so I can't read it or copy it."

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Selecting Code:

1. Take: a screenshot of the code
2. Open: the screenshot in the Photos app
3. Select: the text from the screenshot by highlighting it, and selecting Copy.
4. Paste the code from here.