How do I greet a Muslim man in a letter referencing Eid?

When greeting a Muslim man in a letter, especially in the context of Eid, it's important to convey warmth and respect. The Qur'an emphasizes the importance of greetings, stating, When ye are greeted with a greeting, greet ye with a better than it or return it. 4:86. This encourages responding to greetings in a manner that shows kindness and respect.

For Eid specifically, you can use the traditional greeting "Eid Mubarak," which means "Blessed Eid." It is customary to wish others joy and blessings during this festive occasion. Furthermore, you might follow up with a personal message expressing hope for happiness and prosperity in the coming year.

In the context of your letter, you could start with a greeting such as: "As-salamu 'alaykum" (Peace be upon you) and then continue with "Eid Mubarak! May this Eid bring you joy and blessings." This approach aligns with the Islamic tradition of greeting and celebrating significant occasions in a heartfelt manner.