First, you may want to re-read this meta about phrasing request.
We have agreed that phrasing request is off-topic. However, I believe that questions that asking "how to write" can be made on-topic by specifically making them asking about the guidelines of writing.
These are the recent questions that trigger this meta:
This is an example question that has an answer of giving some guidelines to write the email:
I believe that a good answer to this kind of question is giving the guidelines of writing, not the draft. Although example of the draft is very likely to follow the guidelines, an answer that only give the draft without stating why the draft is written that way is a non-answer, similar to giving a non-IPS answer and violating "back-it-up" rule.
Second, if you agree that this type of question can be made on-topic, let's focus on the IPS side, not "how this should be worded" or "how this should be stylized". Part of this means that mentioning things to consider (OP's situation, cultural, etc.). "how this should be worded" might be better asked on [Writers.SE]. (Although I'm not sure if it's on-topic there).
Is "how to write" can be made on-topic?