Help
Support
Real people answer every message, Monday to Friday. We aim to reply within one business day; billing and security reports are prioritised.
Billing, payments and invoicesbilling@quiksync.comInclude your workspace name and, for a payment, the invoice number or the date and amount.
Cancellationbilling@quiksync.comYou can cancel yourself any time under Plan & billing; write to us if anything gets in the way.
Connecting or verifying a mailboxsupport@quiksync.comTell us the provider (Google Workspace, Microsoft 365, SMTP or Amazon SES) and the error the Verify step showed.
A campaign that paused, failed or is not sendingsupport@quiksync.comInclude the campaign name. The pause reason is shown on the campaign page.
Signing in, password or account accesssupport@quiksync.comYou can reset your password yourself from the sign-in page.
Security concerns or vulnerability reportssecurity@quiksync.comPlease do not include sensitive data in the first message; we will reply with a secure channel.
Sales and plans for larger teamssales@quiksync.comTell us how many mailboxes and how much volume you need.
Before you write
- Sender problems: open Sender Setup in your workspace. It checks SPF, DKIM, DMARC, MX, your mailbox and limits, and says exactly what needs attention.
- Plan and payment status, invoices and renewal dates are all under Plan & billing.
- Read the billing and cancellation terms, terms of service, privacy policy and acceptable-use policy.