Try to avoid confusing letters and numbers. Some letters and numbers are easily confused in appearance, such as the letter O (Europe) and the number 0, the letters L and I and the number 1, the letter Z and the number 2. Can avoid mistakes to the greatest extent.
Choosing meaningful words and using meaningful words will make the mailbox easier to remember. Intentional words include pinyin, English names and nouns. , such as Stephen. Meaningful words can also avoid misunderstandings, for example, the two letters o in the moon are not easily mistaken for two numbers zero. Try to avoid underlining ""It's inconvenient to underline with a keyboard, and if you put an underlined email name on a web page, the underline will not be obvious.