SMTP2GO Support Desk

Account Features and Settings

• Subaccounts
• Click Tracking
• Subscription Plan Differences Explained
• Verifying Login Devices
• Team Setup
• Customizing Bounce Notifications
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Email Delivery

• ★ Sender Domains
• 550 “Administrative Prohibition” or "Relay Access Denied"
• "Domain of sender address does not exist" error
• Barracuda Delivery Solution
• Error: 550 that SMTP username's account is not allowed to send
• Enabling or Disabling Delivery Status Notifications (DSN) in Outlook
• See all 19 articles

Technical Details

• ★ Detailed Setup Guides
• VERP - Variable Envelope Return Path
• How to Find Full Email Headers
• Sub-Processor List
• EU Specific Services
• Worldwide Server Locations, IP Addresses, and Email Routing
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Billing

• Email Overage
• Upgrading Your Plan
• Reopening a Closed Account
• Updating Your Payment Details
• Updating Billing Details
• Free Plan
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API and Integrations

• SMTP2GO WordPress Plugin
• Setting Up Webhooks

DNS Setup

• DNS Setup for Weebly
• DNS Setup for Squarespace
• DNS Setup for 1&1 IONOS
• DNS Setup for Wix
• DNS Setup for Namesco
• DNS Setup for Network Solutions
• See all 28 articles