A morning with Erin Patterson

* Valid email addresses that are supported: * * niceandsimple@example.com * very.common@example.com * a.little.lengthy.but.fine@dept.example.com * disposable.style.email.with+symbol@example.com * other.email-with-dash@example.com * "much.more unusual"@example.com * "very.unusual.@.unusual.com"@example.com * #!$%&\'*+-/=?^_\`{}|~@example.org * " "@example.org * üñîçøðé@üñîçøðé.com * admin@mailserver1 * user@tt * "hi"@example.com * jsmith@[192.168.2.1] * jsmith@[IPv6:2001:db8::1] * email@123.123.123.123 * "() []:,;@\\\"!#$%&\'*+-/=?^_\`{}| ~.a"@example.org * abc."defghi".xyz@example.com * _______@example.com * very.unusual."@".unusual.com@example.com * john.smith(comment)@example.com * (comment)john.smith@example.com * "() []:,;@\\\"!#$%&\'*+-/=?^_\`{}| ~.a"(comment)@example.org * * * Valid (but rare) email addresses that are not supported: * * "very.(),:; []\".VERY.\"very@\\ \"very\".unusual"@strange.example.com * "() []:,;@\"!#$%&\'*+-/=?^_\`{}| ~.a"@example.org * abc."d\"efghi".xyz@example.com * much."more\ unusual"@example.com * *