Q. What is the legal ruling in welcoming and seeking blessings, as people do, in receiving Ramaḍān – be it visiting, correspondences, or discussions? And is there any basis for this in the religion?
A. This sort of welcoming is permissible as it is an invitation in which its response is hoped for. There is visible joy and happiness with the virtuous occasions, and this also acts as a reminder for the virtue of these occasions, such as the festival days, the month of Ramaḍān, and the ten days of Dhul Ḥijjah. Ibn Rajab has tried to prove this in his Laṭāʾif Al-Maʿārif where he states that the Prophet [ṣallAllāhu ʿalayhi wa sallam] used to gladly inform his companions of the arrival of Ramaḍān. Thus, this shows that this type of welcoming [as described by the questioner] was practised before, and on this basis it is nothing strange for people to therefore welcome and seek blessings – be it festive visiting, correspondences, or discussions. All this has an invitation and much good, and what Ibn Rajab states can also apply to the beginnings of Ramaḍān. And Allah knows best.
Shaykh Ibn Jibreen –Fatāwā signed by him – in 14/1432 hijri in Fatāwā ʿUlamāʾ al-Balad al-Ḥaram: Fatāwā Sharʿiyyah fi Masāʾil ʿAṣriyyah