A place for English speaking sofrim (scribes), magihim (examiners), rabbis and vendors of Stam (Torah, Tefillin and Mezuzah scrolls) from around the world to communicate, share ideas, ask questions and offer support and advice.
Since B"h we are getting into mezuza laws, I would ask does anybody
know about a specific lubavitch custom in regard to the shiur parsha in mezuza.
The kuntres acharon of SA Harav [32:12] writes: ובמזוזה
אין צריך להיות הריוח רק כשיעור ג' יודין סוף פרשת שמע וכשיעור ג' יודין קודם
התחלת פ' והיה אם שמע.
It seems there is a printing error and it should be ט' יודין as the minimum shiyur (not ג' יודין). Meaning that the Alter Rebbe didn’t require
a full 3 x Asher in mezuza (as in tefilin). The difference the Alter Rebbe
makes between tfilin and mezuza, can easily be explained.
This was to my knowledge the custom followed by all lubavich sofrim that
I saw or heard – to leave at least 9 yudim [b'revach – well spaced] in the
mezuza both before vhaya, and after shma.
Lately I heard a suggestion that this isn't a mistake, rather the Alter
rebbe did instruct to leave less than a shiyur. I doubt this rumor has
any reliable source, (also it doesn’t fit with the word…