CRM Email Validation and Bounce Cleanup
Every marketing send picks up a fresh batch of hard bounces from typo'd addresses, abandoned inboxes and disposable emails used to get past a gated content form, but the bounced records just sit in the CRM as-is unless someone manually flags them. Sender reputation degrades campaign by campaign as bounce rates creep past the threshold email providers tolerate, and reps waste calls and sequences on contacts whose email has been dead for months. Nobody owns the job of going through bounce reports and updating status fields, so it only gets done in a scramble right before a big send when deliverability craters.
STARTING PRICE
From €99
Starter tier · Single-workflow automation, one core integration, fast turnaround.
Get a quote →Saves roughly 2-3 hrs/week for marketing ops.
How the automation works
We wire email validation into the record lifecycle instead of a manual post-campaign clean-up. New and existing contact emails are checked against syntax, domain and mailbox-level validation, and bounce events from your email platform are ingested automatically to update contact status in near real time. Hard bounces get flagged and suppressed from future sends immediately; soft bounces are retried on a decay schedule before being downgraded. Reps see a clear validity flag on the contact record instead of finding out an email is dead three sequences in.
Process flow
- 01
New email or bounce event trigger
A new contact email is added, or a bounce notification arrives from your email sending platform, and triggers the validation workflow.
- 02
Validate address integration
The address is checked for syntax validity, domain existence and mailbox deliverability using an email validation service before it's ever added to a send list.
- 03
Classify bounce type ai
Bounce events are classified as hard (permanent failure), soft (temporary — full mailbox, server down) or blocked (spam filter), each handled with different retry and suppression logic.
- 04
Update contact status output
The CRM record's email-validity field updates automatically, hard bounces are suppressed from all future sends, and soft bounces are retried on a decay schedule before escalating.
- 05
Alert the record owner output
The owning rep gets a notification that their contact's email is invalid, with a prompt to find an alternate address instead of letting sequences fail silently.
Inputs
- Contact email addresses
- Bounce event feed from email platform
- Suppression list rules
Outputs
- Validated email status per contact
- Suppression list for hard bounces
- Bounce classification log
- Sender reputation report
Works with
Prefer a fully custom build instead of an off-the-shelf integration? We scope both options during your free consultation — most jobs like this one work fine on standard connectors, but higher-volume or non-standard systems sometimes need bespoke API work, reflected in the complex tier.
Where this goes wrong if you get it wrong
- Catch-all domains (common at large companies where the mail server accepts anything @company.com) pass syntax and domain checks but can still be dead individual mailboxes — treat catch-all as 'unverified,' not 'valid,' or you'll suppress reputation damage into invisible bad sends instead of preventing them.
- A soft bounce from a temporary server outage looks identical in some ESPs to a soft bounce from a genuinely full mailbox that will never clear — suppressing too aggressively on the first soft bounce can wrongly kill a live prospect's contactability over a one-off delivery hiccup.
- Free-tier validation APIs sometimes flag role-based addresses (info@, sales@) as invalid when they're actually legitimate B2B contact points in some industries — a blanket 'no role addresses' rule will silently blackhole real leads from companies that route inbound through a shared inbox.
Frequently asked questions
Does this stop bad emails from ever entering the CRM, or clean up after the fact?
Both — new emails are validated at entry before they reach a send list, and existing records are swept on an ongoing basis as bounce data comes in.
Will this remove contacts entirely?
No, hard-bounced contacts are marked invalid and suppressed from sends, not deleted, so the record and its history stay intact for reference.
What counts as a hard vs soft bounce?
A hard bounce means the address doesn't exist or the domain is dead — permanent. A soft bounce is temporary, like a full mailbox, and gets retried before being downgraded.
Does this improve email deliverability for the rest of our list?
Yes — keeping bounce rates low protects sender reputation with mailbox providers, which improves inbox placement for every contact, not just the cleaned-up ones.