Add Gmailnator email domains (#368)

[emailnator.com](https://www.emailnator.com/) -> `femailtor.com` ; `mydefipet.live` ; `psnator.com` ; `smartnator.com`

disposable_email_blocklist.conf

@@ -1086,6 +1086,7 @@ fatflap.com
 fbma.tk
 fddns.ml
 fdfdsfds.com
+femailtor.com
 fer-gabon.org
 fermaxxi.ru
 fettometern.com
@@ -2116,6 +2117,7 @@ mybitti.de
 mycleaninbox.net
 mycorneroftheinter.net
 myde.ml
+mydefipet.live
 mydemo.equipment
 myecho.es
 myemailboxy.com
@@ -2443,6 +2445,7 @@ prtshr.com
 prtz.eu
 psh.me
 psles.com
+psnator.com
 psoxs.com
 puglieisi.com
 puji.pro
@@ -2689,6 +2692,7 @@ smapfree24.de
 smapfree24.eu
 smapfree24.info
 smapfree24.org
+smartnator.com
 smarttalent.pw
 smashmail.de
 smellfear.com