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Mailbox provider · Inbox.lv

How to verify an inbox.lv email address

Can you verify @inbox.lv addresses?

Yes

Yes. @inbox.lv answers mailbox checks one address at a time.

Check one address

Five checks a minute, no account needed. Nothing is sent to the address — we ask its mail server whether the mailbox exists, then disconnect.

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The checker opens an SMTP conversation with inbox.lv's mail server, offers a random address first to rule out a catch-all, then names your address at RCPT TO and disconnects without sending. A rejection comes back invalid ("Mailbox not found") and an acceptance valid ("Mailbox exists"). Temporary replies come back risky. It always checks the syntax, the domain's MX records, disposable domains and role addresses such as info@ first.

Reasons you'll see in results:Mailbox existsMailbox not foundServer would not confirm

Inbox.lv addresses can be verified without sending an email. On 13 October 2026 the inbox.lv mail server mx1.inbox.lv rejected a made-up recipient at the SMTP RCPT TO step with 550 5.1.1 <…@inbox.lv>: Recipient address rejected: User unknown, so a mailbox check can tell a missing inbox.lv account from a real one.

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Live DNS snapshot: inbox.lv

Checked 6 November 2026, 11:15 UTC

Read from DNS at the time shown and refreshed at most once a day. MX says where mail for inbox.lv goes; SPF and DMARC describe mail sent from it, not whether any one address exists.

MX2 hosts
  • 1mx1.inbox.lv
  • 1mx2.inbox.lv
SPFPublished
v=spf1 ip4:194.152.32.7 ip4:194.152.32.81 ip4:194.152.32.82 ip4:194.152.32.83 ip4:194.152.32.84 ip4:194.152.32.85 ip4:194.152.32.88 ip4:194.152.32.89 ~all
DMARCPublished

p=quarantine: meets the requirement and enforces it.

v=DMARC1; p=quarantine; sp=quarantine; pct=100; aspf=s; adkim=s; rua=mailto:[email protected];ruf=mailto:[email protected]

Look up any other domain with the MX lookup or the email provider lookup.

Inbox.lv at a glance

Operated bySIA INBOKSS, Latvia (reg. No. LV40003560720)Source: Inbox.lv terms of service
MX hostsmx1.inbox.lv, mx2.inbox.lvObserved 13 October 2026 (dig MX)
Answer to a made-up address550 5.1.1 <…@inbox.lv>: Recipient address rejected: User unknown, returned at RCPT TOObserved 13 October 2026 (SMTP probe of a made-up recipient, no message sent)
Address ruleUsers do not own their email address or alias; a deleted alias is removed after 30 days and then free for anyone to registerSource: Inbox.lv terms of service
Inactive accountsA mailbox with 'inactive user' status that stays unchanged for 3 years or more can be deleted with all its contents without noticeSource: Inbox.lv terms of service
Inactive accountsA mailbox deleted or blocked for breaking the terms and not renewed within 1 year can be deleted with its contents without warningSource: Inbox.lv terms of service
Postmaster rulesMail in the Trash folder is deleted permanently after 30 daysSource: Inbox.lv terms of service

What Inbox.lv's server says about a missing mailbox

The reply that matters is the one to RCPT TO, the step where the checking server names the recipient. Inbox.lv answered our made-up inbox.lv address with 550 5.1.1 <…@inbox.lv>: Recipient address rejected: User unknown. A 5xx code at that step is a permanent "no such mailbox", which is the same answer a real message would get, so SimpleVerifier marks the address invalid with the reason "Mailbox not found". A 250 at the same step means the mailbox exists and comes back valid.

Before trusting a "valid", a careful verifier also offers a random address that cannot exist. Inbox.lv rejected ours, so inbox.lv is not a catch-all: a 250 for your address is a real signal. Temporary 4xx replies (421, 450, 451) are about the connection, not the mailbox, and come back risky with "Server would not confirm" rather than invalid. Hard bounce vs soft bounce explains why that split matters.

Inbox.lv can delete inactive mailboxes after 3 years

The Inbox.lv terms let the operator delete a mailbox and its contents without notice if it has had 'inactive user' status for three years or more. Users do not own their address or alias, and a deleted alias becomes free for anyone to register after 30 days.

A @inbox.lv contact who has not been seen for years may no longer have that mailbox. Re-confirm old contacts before a campaign.

Cleaning inbox.lv addresses on a list

Because Inbox.lv answers honestly, inbox.lv is one of the domains where verification removes bounces before they happen. Drop the invalid results, keep the valid ones, and re-check the risky ones later: a temporary reply on one day often turns into a clear answer the next.

A valid result only means the mailbox exists today. Addresses on an old consumer list go stale as people stop using them, so re-verify before each large send to an aged segment; how often to verify an email list gives a schedule. Upload the CSV to the verifier and download the valid, risky and invalid rows as separate files.

Common questions

Can you verify @inbox.lv addresses?
Yes. @inbox.lv answers mailbox checks one address at a time. The checker opens an SMTP conversation with inbox.lv's mail server, offers a random address first to rule out a catch-all, then names your address at RCPT TO and disconnects without sending. A rejection comes back invalid ("Mailbox not found") and an acceptance valid ("Mailbox exists"). Temporary replies come back risky. It always checks the syntax, the domain's MX records, disposable domains and role addresses such as info@ first.
Can I check if an inbox.lv address exists without emailing it?
Yes. A verifier connects to Inbox.lv's mail server, names the address at the RCPT TO step and disconnects before sending. On 13 October 2026 the server rejected a made-up inbox.lv address with "550 5.1.1 <…@inbox.lv>: Recipient address rejected: User unknown", so a missing mailbox shows up as invalid and the owner receives nothing.
What mail servers does inbox.lv use?
On 13 October 2026, inbox.lv published these MX hosts: mx1.inbox.lv, mx2.inbox.lv. You can look them up yourself with the free MX lookup tool.
Why did an inbox.lv address come back risky instead of invalid?
Risky means the server didn't give a permanent answer during the check, usually a temporary 4xx reply or a timeout. It isn't proof the address is bad. Check it again later; Inbox.lv gave a clear rejection for a missing mailbox when we tested it.

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