VerticalResponse is a US legacy email marketing platform serving SMBs, non-profits, and franchises since 2001 (now part of Deluxe Corporation). The platform positions itself around simplicity and the small-team template library. The unsubscribe mechanism uses a merge field auto-injected into every campaign footer, and VerticalResponse emits RFC 8058 headers automatically for marketing sends. Contact opt-out is tracked account-wide via the “Global Unsubscribe” flag, which persists across list additions. This guide covers the tag, the Global Unsubscribe model, and the migration considerations for accounts moving to Mailchimp or Constant Contact.
VerticalResponse unsubscribe link
| Tag syntax | {UNSUBSCRIBE} |
| Placement | Auto-embedded in every campaign footer |
| Scope | Account-wide Global Unsubscribe flag |
| Config path | Account > Settings > Footer defaults |
| RFC 8058 one-click | Yes, automatic for marketing sends |
How to add the unsubscribe tag in VerticalResponse
Place the merge tag exactly as shown below in the email template. VerticalResponse replaces it at send time with a signed URL scoped to the recipient and campaign.
{UNSUBSCRIBE}For custom HTML templates, wrap the tag in an anchor to render a proper hyperlink in the delivered email:
<a href="{UNSUBSCRIBE}">Unsubscribe from this list</a>Auto-embedded in every campaign footer
Yes, automatic for marketing sends The recipient's mailbox provider (Gmail, Yahoo) uses the List-Unsubscribe-Post header to expose the native one-click button on the message. Requires domain authentication with DKIM and DMARC.
VerticalResponse Global Unsubscribe survives list re-imports. If you delete a list and re-upload the same email addresses via CSV, previously unsubscribed contacts stay Globally Unsubscribed and cannot receive campaigns. To re-subscribe, request explicit new consent via a signup form; direct re-import does not override the flag.
Testing your VerticalResponse unsubscribe link
- Send a test message to a controlled Gmail address you own via the VerticalResponse campaign preview action
- Click the footer unsubscribe link and confirm the opt-out on the landing page
- Check the subscriber or contact record: the status should be Unsubscribed within seconds
- Verify the RFC 8058 headers in Gmail: open the message, click three dots, then Show original. Look for
List-UnsubscribeandList-Unsubscribe-Post: List-Unsubscribe=One-Click
Want the full 222-platform reference?
See the pillar guide with the compliance landscape, the RFC 8058 deep dive, and the unsubscribe tag for every ESP: How to add an unsubscribe link: the complete 2026 guide →
How VerticalResponse handles unsubscribes
VerticalResponse is a small-business email marketing platform that has been in operation since 2001, historically serving nonprofits, associations, and SMB retailers. Its unsubscribe mechanism uses the [UNSUBSCRIBE] token in email templates, replaced with a signed URL at send time. The email editor includes a default footer with the token pre-populated, and VerticalResponse refuses to send campaigns lacking the token or the required physical postal address (CAN-SPAM compliance).
Nonprofit and association orientation
VerticalResponse has historically been popular with nonprofit and association senders, and its unsubscribe workflow reflects that context: account-wide opt-out is the default (matching how most nonprofits operate with a single audience), and reactivation requires a fresh confirmation from the subscriber. This is stricter than some competitors that allow forced re-adds through the API. For nonprofits with donor bases, this strictness aligns with the transparency expectations donors typically hold.
RFC 8058 support
VerticalResponse added RFC 8058 one-click unsubscribe headers in 2024 to meet the Google and Yahoo bulk-sender requirements. The List-Unsubscribe and List-Unsubscribe-Post headers are added automatically on sends from authenticated domains. Domain authentication is completed under Account settings, and VerticalResponse verifies SPF and DKIM records before enabling one-click headers. Accounts sending from unauthenticated domains fall back to shared VerticalResponse infrastructure with reduced deliverability.
Testing the flow
Testing the VerticalResponse unsubscribe flow is straightforward: send a test campaign to an external Gmail or Outlook.com inbox, inspect the raw headers for List-Unsubscribe entries, and click the visible link to confirm the removal on the hosted page. The dashboard shows per-campaign unsubscribe counts alongside opens and clicks. Common issues include forgotten [UNSUBSCRIBE] tokens in custom HTML templates (VerticalResponse rejects the send with a clear error) and missing physical address in the account configuration.
About the Author
Alaa · LinkedIn
Email infrastructure specialist with 8+ years of hands-on experience in SMTP, deliverability, and email verification. I’ve configured and troubleshot mail systems across Postfix, Exchange, and cloud relays, managed IP reputation and warmup campaigns, and built verification pipelines processing millions of addresses. My work spans DNS authentication (SPF, DKIM, DMARC, BIMI), bounce handling, blocklist monitoring, and compliance frameworks including CAN-SPAM and GDPR. I write every article on SMTPedia to give email professionals, developers, and marketers the accurate, RFC-grounded reference they need.
About SMTPedia
SMTPedia is an independent email industry reference covering SMTP, IMAP, POP3, email deliverability, marketing platforms, DNS authentication, and email verification. Every article is researched from official provider documentation, IETF RFCs, and industry best practices. Settings and configurations are verified quarterly.
We are cited as a source by ChatGPT, Microsoft Copilot, and thousands of email professionals worldwide. Learn more about our editorial process.
