Here is the list of valid and invalid email format which can
be used for testing


Valid Email address 	Reason
email@domain.com 	Valid email
firstname.lastname@domain.com 	Email contains dot in the
address field
email@subdomain.domain.com 	Email contains dot with subdomain
firstname+lastname@domain.com 	Plus sign is considered valid
character
email@123.123.123.123 	Domain is valid IP address
email@[123.123.123.123] 	Square bracket around IP address is
considered valid
"email"@domain.com 	Quotes around email is considered valid
1234567890@domain.com 	Digits in address are valid
email@domain-one.com 	Dash in domain name is valid
_______@domain.com 	Underscore in the address field is valid
email@domain.name 	.name is valid Top Level Domain name
email@domain.co.jp 	Dot in Top Level Domain name also
considered valid (use co.jp as example here)
firstname-lastname@domain.com 	Dash in address field is valid





   Invalid Email address  	Reason
plainaddress 	Missing @ sign and domain
#@%^%#$@#$@#.com 	Garbage
@domain.com 	Missing username
Joe Smith <email@domain.com> 	Encoded html within email is
invalid
email.domain.com 	Missing @
email@domain@domain.com 	Two @ sign
.email@domain.com 	Leading dot in address is not allowed
email.@domain.com 	Trailing dot in address is not allowed
email..email@domain.com 	Multiple dots
&#12354;&#12356;&#12358;&#12360;&#12362;@domain.com 	Unicode char as address
email@domain.com (Joe Smith) 	Text followed email is not allowed
email@domain 	Missing top level domain (.com/.net/.org/etc)
email@-domain.com 	Leading dash in front of domain is invalid
email@domain.web 	.web is not a valid top level domain
email@111.222.333.44444 	Invalid IP format
email@domain..com 	Multiple dot in the domain portion is invalid