Yes. You can verify any @Bill.com address in real time with a direct SMTP handshake that provides 99.7% accuracy. Bill.com is operated by Bill Holdings Inc., runs 1 mail server, enforces 3 of 3 authentication standards, and is currently responding to SMTP.
Every check returns one of three clear outcomes so you know exactly what to do with the address.
The mailbox exists and accepts mail. Send with confidence, the address is deliverable.
The mailbox does not exist, is disposable, or will hard-bounce. Remove it to protect your sender reputation.
The server is catch-all or greylisting, so existence cannot be confirmed. Send selectively and watch engagement.
bill.com publishes 1 MX record. The primary mail exchanger is prodstarmail.prod.a.bill.com, hosted by bill.com, and it is currently reachable and answering SMTP. Mail is routed through these servers in priority order, lowest number first.
| Priority | Hostname | IP | Status |
|---|---|---|---|
| 10 | prodstarmail.prod.a.bill.com | 44.239.190.10 | Reachable |
220 mail.prod.a.bill.com ESMTP PostfixYes. bill.com is a valid email domain, operated by Bill Holdings Inc.. Addresses are persistent and real mail reaches a genuine recipient. Individual mailboxes still go stale, so verify each one before you send.
A live SMTP handshake connects to Bill.com's mail server and asks whether the mailbox exists using the RCPT TO command, without ever transmitting a message. The recipient never sees the check.
Each address runs through 30+ checks including SMTP existence, catch-all detection, role-account filtering, and disposable matching. The same engine has verified billions of addresses since 2012.
Every unverified address is a gamble. Here is what happens when you skip verification and mail a list that has not been cleaned.
People leave companies. Verification flags bill.com mailboxes deactivated since you collected them.
Expired or full bill.com inboxes hard-bounce. A live SMTP check catches them before you hit send.
Low bounce rates keep you trusted by bill.com mail servers and the major mailbox providers.
Verified contacts mean your CRM, lead scoring, and routing all run on addresses that reach a person.
Bill.com is Bill Holdings Inc., registered through GoDaddy Corporate Domains, LLC and first seen Nov 3, 1994.
Bill Holdings Inc. (bill.com) is a financial automation software company headquartered in San Jose, California. Bill.com provides cloud-based software for accounts payable and accounts receivable automation, helping businesses manage invoices, approvals, and payments. The platform processes billions of dollars in payment volume annually for over 400,000 businesses.
Bill.com implements strict email authentication on the bill.com domain with SPF, DKIM, and DMARC enforcement. As a payment automation platform handling sensitive financial data, Bill.com maintains rigorous email security to protect invoice communications, payment instructions, and business financial information.
Email verification against bill.com returns definitive responses for valid and invalid mailboxes. The domain does not operate as catch-all. Bill.com's mail infrastructure implements strict rate limiting consistent with financial services standards.
For partners communicating with Bill.com employees, strong sender authentication is essential. Financial automation companies enforce strict email filtering. Full SPF, DKIM, and DMARC compliance ensures reliable inbox delivery to bill.com addresses.
Upload a CSV or TXT list of Bill.com addresses to the bulk email verifier. Every address runs through a live SMTP handshake plus catch-all, role-account and disposable detection, and you download a clean list when processing completes. For real-time checks at signup, use the real-time email verification API.
CSV or TXT with one email per line. No formatting needed.
Each Bill.com address is checked with a live server handshake.
Get a verified list with status codes, risk flags, and catch-all detection.
Pay as you go. No subscriptions, and credits never expire.
Everything about verifying email at this domain.
Yes, bill.com is the official corporate email domain for Bill Holdings Inc.. It is used for internal business communications and is not available for public registration.
No, bill.com is a corporate email domain belonging to Bill Holdings Inc., used exclusively by employees and authorized personnel.
bill.com uses enterprise-grade mail infrastructure. Check the MX records section above for specific mail server details.
B2B marketing to bill.com requires proper consent. Corporate domains may use catch-all configurations, so verify individual addresses before sending.
Corporate domains like bill.com may use catch-all configurations. Use BulkEmailChecker's advanced verification to detect catch-all behavior.
Upload a CSV or TXT list to the bulk email verifier. Every address runs through 30+ checks including SMTP existence, catch-all detection, role-account, and disposable matching. Processing time depends on list size.
99.7% accurate using a direct SMTP handshake with bill.com's mail servers, the same engine that has verified billions of addresses since 2012.
Other corporate email domains we have audited.