Ma’mar reported: Some residents of the peninsula told me that some people had embraced Islam, but it was not long until they became apostates. Maymun ibn Mihran wrote to Umar Ibn Abdul Aziz, may Allah have mercy on him, regarding them and Umar wrote back saying, “Let them return to paying tribute and leave them alone.”
Source: Muṣannaf ‘Abd al-Razzāq 18102
عَنْ مَعْمَرٍ قَالَ أَخْبَرَنِي قَوْمٌ مِنْ أَهْلِ الْجَزِيرَةِ أَنَّ قَوْمًا أَسْلَمُوا ثُمَّ لَمْ يَمْكُثُوا إِلا قَلِيلا حَتَّى ارْتَدُّوا فَكَتَبَ فِيهِمْ مَيْمُونُ بْنُ مِهْرَانَ إِلَى عُمَرَ بْنِ عَبْدِ الْعَزِيزِ رحمه الله فَكَتَبَ إِلَيْهِ عُمَرُ أَنْ رُدَّ عَلَيْهِمُ الْجِزْيَةَ وَدَعْهُمْ
18102 مصنف عبد الرزاق كتاب اللقطة باب في الكفر بعد الإيمان