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email_checker

0.2.4
0.2.4 0.2.3 0.2.2 0.2.1 0.2.0 0.1.4 0.1.3 0.1.2 0.1.1 0.1.0 0.0.3 0.0.2 0.0.1

Simple library checking the validity of an email. Checks are performed in the following order: - REGEX: validate the emails has a good looking format - MX: validate the domain sever contains MX records - SMTP: validate the SMTP behind the MX records knows this email address (no email sent)

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email_checker priv email_regex
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priv/email_regex 

^(?:[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*|"(?:[\x01-\x08\x0b\x0c\x0e-\x1f\x21\x23-\x5b\x5d-\x7f]|\\[\x01-\x09\x0b\x0c\x0e-\x7f])*")@(?<domain>(?:(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?|\[(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?|[a-z0-9-]*[a-z0-9]:(?:[\x01-\x08\x0b\x0c\x0e-\x1f\x21-\x5a\x53-\x7f]|\\[\x01-\x09\x0b\x0c\x0e-\x7f])+)\]))$