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fix: improve the email domain validation in the contact API
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Dorian Niemiec 2024-09-17 07:48:57 +02:00
parent 7288e380ee
commit 6859bc0ba2
1 changed files with 18 additions and 1 deletions
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19
app/api/contact/route.ts
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@ -136,7 +136,24 @@ export async function POST(req: NextRequest) {
let isEmailHostValid = false;
try {
const mxRecords = await dns.resolveMx(emailDomain);
if (mxRecords.length > 0) isEmailHostValid = true;
if (mxRecords.length > 0) {
for (let i = 0; i < mxRecords.length; i++) {
try {
const aRecords = await dns.resolve4(mxRecords[i].exchange);
if (aRecords.length > 0) {
isEmailHostValid = true;
break;
}
} catch (err) {}
try {
const aaaaRecords = await dns.resolve6(mxRecords[i].exchange);
if (aaaaRecords.length > 0) {
isEmailHostValid = true;
break;
}
} catch (err) {}
}
}
} catch (err) {}
if (!isEmailHostValid) {
return NextResponse.json(