check if an email address exists

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
check if an email address exists	0.42	0.2	8368	34	32
check	0.46	0.2	1316	32	5
if	0.7	1	3721	48	2
an	1.18	0.8	4911	10	2
email	1.02	1	5663	50	5
address	0.43	0.1	3183	19	7
exists	0.06	0.5	2497	57	6

Keyword	CPC	PCC	Volume	Score
check if an email address exists	0.92	0.2	158	11
check if an email address exists free	1.79	1	9752	28
check email address exists	1.86	0.7	2016	12
check to see if email address exists	1.43	0.9	5361	8
can i check if an email address exists	1.36	0.7	8898	38
check whether an email address exists	1.55	0.6	3792	34
find if an email address exists	0.04	0.2	6556	83
check if an email exists	0.69	0.6	3857	36
how to test if email address exists	0.94	0.6	2807	23
see if email address exists	0.56	0.1	7306	89
check if email exists online	0.27	0.8	2706	79
checking if an email exists	2	0.3	795	4
how to verify an email address exists	0.55	0.6	3391	27