// Guide
How to Lower Your Email Bounce Rate
Last verified · 2026-06-24
The short answer
Lower your bounce rate by verifying every address before sending, removing catch-all and role accounts from risky sends, authenticating your domain (SPF/DKIM/DMARC), and re-verifying aging lists since data decays monthly. Keep hard bounces under 2% to protect deliverability. Trackyr verifies emails at pull time (1 credit) and re-verifies continuously so lists don't silently rot.
Bounces are the deliverability killer
Mailbox providers read a high bounce rate as a signal that you're sending to a purchased or stale list — the hallmark of spam. Keep hard bounces under 2%. Above that, your inbox placement craters even for valid recipients.
Verify before every send
The single biggest lever is verifying addresses before they enter a campaign. Syntax, MX, and SMTP checks catch the addresses that would bounce, before the bounce ever happens. This is non-negotiable for cold lists.
Segment by risk
- Send confidently to verified-valid addresses.
- Hold or de-prioritize catch-all / accept-all results.
- Drop role accounts (info@, sales@) from cold sends.
- Remove disposable-domain addresses entirely.
Re-verify aging lists
A list verified six months ago isn't clean today. Data decays a few percent monthly. Re-verifying before reuse catches the addresses that died since your last send. Trackyr re-verifies continuously, so this happens without you remembering to.
Fix the foundations too
Authentication (SPF, DKIM, DMARC) and a warmed-up sending domain don't lower bounces directly, but they ensure your clean list actually reaches the inbox. Pair list hygiene with these and your deliverability holds.
More on this topic: Verification →
// Common questions
Answered.
What bounce rate is too high?+
Aim to keep hard bounces under 2%. Above roughly 5% you risk serious deliverability damage and possible sending restrictions.
Will verification fix all my bounces?+
It eliminates most, by catching invalid mailboxes before you send. Catch-all domains remain uncertain, so segment those separately.
How often should I re-verify?+
Continuously, because lists decay monthly. Trackyr re-verifies on an ongoing basis rather than only at the moment you first pull a contact.
Put it into practice.
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