Email domain report
Carolina One Real Estate email format (carolinaone.com): verification & catch-all status
As of November 6, 2026, the most common carolinaone.com email format is [email protected], used by 62–95% of the at least 20 distinct carolinaone.com addresses mailfloss verified in the 90 days to November 6, 2026. carolinaone.com routes incoming mail through Mimecast. In mailfloss's checks (latest October 5, 2026), carolinaone.com mostly rejected addresses that do not exist, so it is not a catch-all domain.
One address at a time, right on this page · counts rounded
- Most common format
first.last@- 62–95% of distinct addresses
- Catch-all
- No
- mostly rejects unknown mailboxes · checked October 5, 2026
- Accepted on verification
- Not published
- of verifications, 90 days to November 6, 2026
Verification results
How carolinaone.com responds to email verification
How carolinaone.com answered when mailfloss verified its addresses in the 90 days to November 6, 2026, most recently on November 6, 2026.
Other: uncommon outcomes, combined.
Where carolinaone.com stands among Mimecast domains
Leading listed formatshare of distinct addresses in the most common listed format
62–95% carolinaone.com70–93% median of 5 Mimecast domains
Most common carolinaone.com email formats
| Format | What it means | Share | 95% range | Addresses |
|---|---|---|---|---|
[email protected] | First name, dot, last name | 62–95% | 40–100% | 15+ |
Shares are of the 20+ distinct carolinaone.com addresses mailfloss verified in the 90 days to November 6, 2026. A range shows where a share can sit given the addresses behind it. Uncommon formats are combined, and the words in each format are placeholders, never real names.
SMTP responses from carolinaone.com
| Response | What it means | Share of listed responses |
|---|---|---|
550 | Mailbox does not existUndeliverable | 99% |
Only answers about the mailbox itself are listed.
Catch-all
No, mostly rejects unknown mailboxes
Last checked October 5, 2026
DNS, checked November 6, 2026
MX usb-smtp-inbound-1.mimecast.com
SPF published · DMARC published
Mailbox provider Microsoft 365
Free check
Verify an address at carolinaone.com
Type the part before the @. mailfloss asks the carolinaone.com mail server about that address and tells you in seconds what it answered: the same verification behind the results on this page.
Any other domain works too: type a full address. The result appears under the box; nothing you type is stored on this page.
Questions about carolinaone.com
Carolina One Real Estate email questions, answered from this data
Every answer comes from the numbers on this page, 90 days to November 6, 2026.
What email domain does Carolina One Real Estate use?
carolinaone.com. Its mail is routed through Mimecast (usb-smtp-inbound-1.mimecast.com), with SPF published and DMARC published, checked November 6, 2026.
What is the most common carolinaone.com email format?
[email protected]: 62–95% (95% range 40–100%) of the 20+ distinct carolinaone.com addresses mailfloss verified in the 90 days to November 6, 2026.
Is carolinaone.com a catch-all domain?
No. In mailfloss's checks (latest October 5, 2026), carolinaone.com mostly rejected addresses that do not exist, so it is not a catch-all domain. Because carolinaone.com mostly rejects mailboxes that do not exist, a permanent (5xx) "mailbox does not exist" or "account disabled" answer from it is reliable, and those addresses can come off your list; a 4xx answer is temporary, so retry it. An accepted answer is strong but not certain evidence that the mailbox exists. A full inbox or a busy mailbox is temporary, so recheck those later.
Do carolinaone.com addresses bounce?
Of mailfloss's carolinaone.com verifications in the 90 days to November 6, 2026, 53–56% were rejected; uncommon outcomes are combined.
How do I find or check an email address at carolinaone.com?
Build it from the person's name in the most common format, [email protected], then verify it before you send: mailfloss asks the carolinaone.com mail server about that exact address and reports what it answered. Because carolinaone.com is not a catch-all domain, a clear answer means what it says. Verify one now.
Does Carolina One Real Estate use Google Workspace or Microsoft 365?
Microsoft 365, the mailbox provider on mailfloss's record. Its published MX record points to Mimecast, a security gateway that filters mail before it reaches the mailbox, going by its public mail records as of November 6, 2026.
Typo Fixer · company domains
A subscriber who typed carolinaoen.com is still a customer of Carolina One Real Estate.
Most verifiers mark carolinaoen.com invalid and delete the subscriber. mailfloss's Typo Fixer suggests carolinaone.com instead, checks whether that mailbox exists, and queues the fix for you to approve. Nothing changes behind your back.
On your signup form
Example: a subscriber types first.last@carolinaoen.com; Typo Fixer suggests first.last@carolinaone.com and queues it for your approval.
Other company domains on Mimecast
All 5 Mimecast domains| Domain | Most common format | Accepted on verification | Catch-all |
|---|---|---|---|
| cbrealty.comColdwell Banker Realty | [email protected]85–99% of addresses | 84–93% | catch-all: No |
| sanofi.comSanofi | [email protected]89–93% of addresses | 82–85% | catch-all: No |
| walgreens.comWalgreens | [email protected]51–76% of addresses | 64–71% | catch-all: No |
| ascension.orgAscension | [email protected]70–78% of addresses | 93–97% | catch-all: No |
One check is a start. Keep every address on your list deliverable.
mailfloss runs this verification on your whole list, inside your email platform, and keeps running it as addresses change. Product teams and AI agents get the same checks from the API.
Every number here comes from verifications mailfloss ran for its customers in the 90 days to November 6, 2026. Pages show rounded aggregates only: no email addresses, names or single results. Read how mailfloss measures email formats and catch-all status.
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