sending mail without smtp server

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
sending mail without smtp server	0.18	0.3	3277	87	32
sending	0.97	0.3	966	85	7
mail	1.14	0.4	7792	26	4
without	1.88	0.9	3649	78	7
smtp	0.61	0.8	9844	63	4
server	0.31	0.8	8946	49	6

Keyword	CPC	PCC	Volume	Score
sending mail without smtp server	2	0.5	4895	17
sending email without smtp server	1.78	0.3	674	7
smtp server not sending email	0.77	0.1	8793	2
what servers can send mail without smtp	1.02	0.1	9849	55
smtp server cannot send email	0.37	1	9189	26
send email c# without smtp server	0.63	0.3	6907	66
unable to send mail through smtp server	0.47	0.5	8769	65
powershell send email without smtp server	0.89	0.5	4069	41
smtp server not sending email on outlook	1.3	0.8	6166	17
smtp not sending emails	1.98	0.8	3522	30
send only smtp server	1.18	0.9	7631	68
smtp server send mail	0.15	0.6	5408	82
use free smtp server to send email	0.77	0.3	2005	70
cannot send message using the server smtp	0.44	0.8	6856	24
how to send mail using smtp	0.32	0.7	2695	50
sending email using smtp	1.43	0.4	120	97
need smtp server for email	0.03	0.4	78	12