can mail id be in capital letters

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
can mail id be in capital letters	0.15	0.9	2809	90	33
can	1.72	0.8	8757	69	3
mail	0.61	0.6	9000	89	4
id	0.72	1	5793	64	2
be	1.92	0.4	6045	57	2
in	1.83	0.9	1001	40	2
capital	1.6	1	2150	99	7
letters	0.47	0.4	6350	95	7

Keyword	CPC	PCC	Volume	Score
can mail id be in capital letters	1.49	0.2	7918	69
can email id be in capital letters	0.86	0.6	9667	34
email id in capital letters	0.9	0.9	6230	63
can email be in capital letters	1.46	0.9	3221	35
can email address be in capital letters	0.57	0.2	7399	99
are there capital letters in email addresses	0.31	0.2	2734	26
do capital letters in email addresses matter	1.92	0.6	1301	43
does capital letters matter in email address	0.28	0.4	8245	40
using capital letters in email	1.1	0.3	2168	59
do email addresses recognize capital letters	0.89	0.8	8139	21
does a capital letter matter in emails	1.7	0.7	5524	17
are email addresses capital letter specific	1.71	0.1	1624	5