Yes. Spam.su is a known disposable email service, so block it at signup. Mailboxes expire within minutes and any existing Spam.su account should be treated as a fraud signal.
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.
spam.su publishes no MX records, which means it cannot receive email. Any message sent to a spam.su address will hard-bounce at the sending server.
No. spam.su is a disposable email service. Its mailboxes are throwaway and expire within minutes, so addresses on this domain are not safe to accept or send to. Block it at signup and treat existing spam.su accounts as a fraud signal.
Addresses on Spam.su are throwaway inboxes that expire within minutes. Accepting them inflates your user count, wastes onboarding spend, and damages sender reputation when the mailboxes bounce.
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.
Disposable signups skew your activation rate, growth metrics, and analytics with users who never come back.
Welcome series and drip campaigns all fire at a spam.su inbox that has already been discarded.
Throwaway addresses are the standard tool for free-trial farming, multi-accounting, and bot signups.
Mail to expired spam.su inboxes bounces, and bounce rate is one of the first signals mailbox providers punish.
Spam.su is disposable email, registered through ARDIS-SU and first seen Dec 5, 2017.
Spam.su is disposable email, classified as disposable email. It currently publishes no MX records, so it cannot receive mail.
Because spam.su is disposable, every address should be blocked at signup. Mailboxes expire within minutes, so any existing spam.su account in your database is a strong fraud signal worth removing.
Upload a CSV or TXT list of Spam.su 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 Spam.su 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.
While spam.su may accept mail, it is classified as a disposable/temporary email service. Emails are short-lived and should not be trusted for permanent communication.
Yes, spam.su is a known disposable email provider. Addresses are temporary and designed for single-use. Block this domain to prevent fake signups.
spam.su operates its own temporary mail infrastructure for disposable addresses. Check the MX records section for server details.
No. Disposable domains like spam.su provide temporary addresses that expire. Sending marketing emails wastes resources and hurts deliverability metrics.
While SMTP verification may return a positive response, spam.su addresses should be flagged and rejected. Use BulkEmailChecker to automatically detect disposable domains.
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 spam.su's mail servers, the same engine that has verified billions of addresses since 2012.
Other disposable email domains we have audited.