diff --git a/src/Effect.Email.js b/src/Effect.Email.js
index 8eca8aa..444eda2 100644
--- a/src/Effect.Email.js
+++ b/src/Effect.Email.js
@@ -1,35 +1,4 @@
-import { checkSyntax, checkMX, checkSMTP } from 'qed-mail'
-
-const DEFAULT_RESULT = {
-  reachable: false,
-
-  syntax: { valid: false },
-  mx: { valid: false },
-  smtp: { valid: false },
-};
-
-/** @type {(_: string) => Promise<import('qed-mail/src/types.js').Result>} */
-async function checkEmail(email) {
-  const result = { email, ...DEFAULT_RESULT };
-
-  const syntax = checkSyntax(email);
-  if (!syntax.valid) {
-    return { ...result, syntax };
-  }
-
-  const mx = await checkMX(syntax.domain || '');
-  if (!mx.valid || !mx.mxRecords) {
-    return { ...result, syntax, mx };
-  }
-
-  const records = mx.mxRecords.sort((a, b) => a.priority - b.priority);
-  const smtp = await checkSMTP(email, records[0].exchange, 500);
-  if (!smtp.valid) {
-    return { ...result, syntax, mx, smtp };
-  }
-
-  return { ...result, reachable: true, syntax, mx, smtp };
-}
+import { checkEmail } from 'qed-mail'
 
 /** @type {(_: string) => () => Promise<import('qed-mail/src/types.js').Result>} */
 export const checkEmailImpl = s => () => checkEmail(s)