Cost Calculator Builder
Item PageVideo TutorialsChangelogResources Get Started
  • Cost Calculator Builder Documentation
  • Getting Started
    • Free Version and Pro Version
    • System Requirements
    • Plugin Installation
    • License Activation
      • Upgrading the License
    • Update Billing Details and Access Invoices
    • License Utilization
    • Update The Plugin
    • Templates
    • Feature Request
  • Plugin Features
    • How to Create a Calculator
    • How to Manage Calculators
    • How to Add a Calculator to the Page
    • Calculator Appearance
    • Additional Classes
  • Cost Calculator Settings
    • Calculator Settings
      • Summary Block
      • Currency
      • Warning Texts
      • Confirmation Page
      • Order Form
      • Form Manager
      • Sticky Calculator
      • Woo Products
      • Woo Checkout
      • Payments
      • Webhooks
    • Global Settings
      • Currency (Global)
      • PDF Entries
      • Share Quote Form
      • Order Form (Global)
      • Email Template
      • Backup Settings
      • AI Formula
      • Captcha
      • Payments (Global)
      • Geolocation
  • Calculator Elements
    • General Overview
    • Text
    • Quantity
    • Validated form
    • Dropdown list
    • Image Dropdown (Pro feature)
    • Radio Select
    • Image Radio (Pro feature)
    • Switch Toggle
    • Checkbox
    • Image Checkbox (Pro feature)
    • Date Picker (Pro feature)
    • Time Picker (Pro feature)
    • Basic Slider
    • Multi Range (Pro feature)
    • File Upload (Pro feature)
      • How to Allow Additional File Types in WordPress
      • How to Increase Maximum File Upload Size in WordPress
    • HTML
    • Geolocation (Pro feature)
    • Line
    • Formula
      • AI Assistant (Pro feature)
    • Repeater (Pro feature)
    • Group Field (Pro feature)
    • Page Breaker (Pro feature)
  • Conditional System
    • Introduction
    • How to Create a Condition
    • Condition Options
    • Condition Actions
    • AND/OR Conditions
    • Condition Creating Example
  • Special Plugin Features
    • Orders
    • Discounts
    • Required Fields
    • Contact Form 7 Plugin
  • Payments
    • Settings
    • PayPal
    • Stripe
    • Razorpay
    • Cash Payment
  • Translating Cost Calculator Into a Different Language
    • Translation Basics
    • Translating Static Strings
    • Translating Calculator with WPML
    • FAQ
  • Develeoper's guide
    • Cost Calculator Hooks
      • Order Management
      • Contact Form
      • Confirmation Page
      • Email
  • Troubleshooting
    • Introduction
    • Plugin Conflicts
    • Theme Compatibility
    • Calculator is not loading
    • Cache Settings
    • Email not sending
    • Debug Logs
    • Submit a Support Ticket
  • Changelog
    • Release Notes
    • Changelog (Free Version)
    • Changelog (Pro Version)
  • Pre-built Calculators & Cases
    • Service Booking
    • Graphic Design
    • Loan Interest
    • Delivery Service
    • Renovation Company
    • Dental Services
    • Car Wash Company
    • Medical Services
    • Tuition Fees
    • Printing Services
    • Car Rental
    • Venue Rental Service
  • Advanced Topics
    • License Management
  • Stylemixthemes
    • Cost Calculator Builder WordPress Plugin
    • Themes
    • Plugins
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  1. Troubleshooting

Email not sending

PreviousCache SettingsNextDebug Logs

Last updated 2 years ago

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By default, WordPress uses the PHP mail function to send emails generated by WordPress. The most common reason for not sending emails is that your WordPress hosting server is not configured to use function.

In addition to this, sometimes email providers will flag or block emails that arrive from a different domain than they claim. For example, if your From Email is @gmail.com, but your domain is www.example.com, this domain mismatch may cause an email provider to block the email. Before troubleshooting the issue on server side make sure that contact forms are properly configured:

  • When a Default contact form is enabled and the form is not submitted, make sure that you filled out all necessary fields including Email, Subject, and Button text:

  • When Contact form 7 is used to send emails, make sure that Mail tab of the Contact form is filled out:

To resolve email delivery issues, we recommend using SMTP to send emails in WordPress. Unlike the PHP mail function, SMTP increases email deliverability by using proper authentication.

For more details as well as setup instructions, please follow our guide for SMTP configuration:

PHP mail()
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