The first thing to consider when writing an influential email is to have a better understanding of the subject of the email.
1. You need to know people often disregard emails that are not properly written. Stay within the ambit of the information you are trying to pass across. Writing too much or irrelevant information might be a terrible idea when writing an influential email.
2. The subject lines must be properly written to catch the attention of the receiver. Use words that will catch the attention of the receiver, and these words should also summarize the content of the email.
3. Go over step 1 again, and remember you should keep your content very simple and precise. The ability to use words that are relatively simple without causing ambiguity is usually appreciated by people. So, keep your sentences small without losing their meanings or the messages they are to pass across to the reader.
4. Depending on the type of email you are writing, always check the tone and the style to use and be consistent with it.