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Contact Forms

Your Guide to Using the Contact Forms in RocketTheme Themes for Grav


Contact forms make it easy for visitors to reach out and contact you. In Grav, this process works a little differently than it does in other content management systems. In this guide, we'll outline how you can customize and configure a contact form for your website.

Getting Started

We do recommend using a RocketLauncher to start with. We've done a lot of the initial setup work for you and all you need to do is plug in your email address, and if you'd like, customize the fields you'd like your contact form to have.

If you are using a RocketLauncher, there is a contact form already set up and ready to go. You just need to edit the email address you'd like to have submissions sent to.

Customizing Fields

This guide is useful for folks using the RocketLauncher. If you want a full from-scratch tutorial on creating a contact form, check out Grav's documentation.

If you would like to customize the fields that appear in your form, you can do so by navigating to Admin > Pages > Form > Contact Form and selecting Expert in the administrator. Here, you'll see the YAML breakdown of the contact form. It will look similar to the fields below.

title: Contact Form
      type: text
      label: Name
        required: true
        message: Please enter your name!
      type: text
      label: Email
        type: email
        required: true
        message: Please enter your email address!
      type: text
      label: Subject
        required: true
        message: Please enter a subject for your message!
      type: textarea
      label: Message
        required: true
        min: 10
        message: Email message needs to be more than 10 characters long!
      type: submit
      value: Send Email
      from: "{{ form.value.email }}"
      to: "{{ config.plugins.email.to }}"
      subject: "[Contact] {{ form.value.subject|raw }}"
      body: "{{ form.value.message }}<br /><br />{{ form.value.name }}<br />{{ form.value.email }}"
    message: 'Thank you from contacting us!'
    display: /form/thankyou

Everything you need to concentrate on takes place within the fields area of this text. You can add or remove fields here. You can find a complete guide on doing this in Grav's documentation.

Setting Up Mail

By default the Email plugin uses Sendmail or PHP Mail to send email. This doesn't work in all cases. You would be better served by switching the Mail Engine setting to SMTP and configuring your preferred email provider.

We have provided detailed guides for numerous major email providers in the Email plugin documentation. However, for simplicity, we'll go over setting up Google's email (gmail) in this plugin.

Google Email

A popular option for sending email is to simply use your Google Accounts SMTP server. To set this up you will need to do 2 things first:

  1. Enable IMAP in your Gmail Settings -> Forwarding and POP/IMAP -> IMAP Access
  2. Enable Less secure apps in your user account settings.
  3. If you have 2-factor authentication, you will need to create a unique application password to use rather than your personal password

If you attempt to send a message before turning less secure apps on in your user account settings, you will need to manually remove your server from the blocked list in your security dashboard.

Then configure the Email plugin:


The first option is doing this through the tools available in the administrator. Simply navigate to Plugins > Email and do the following:


  • Switch the Mail Engine setting to SMTP.
  • Scroll down to SMTP Server and enter smtp.gmail.com.
  • Enter 465 as the SMTP port.
  • Select SSL as the SMTP Encryption.
  • Enter your login name (typically your email address) in the SMTP Login Name field.
  • Enter your Google Mail password in the SMTP Password field.



If you prefer to configure your email plugin manually using YAML files, here is the mailer section of the configuration you can apply.

  engine: smtp
    server: smtp.gmail.com
    port: 465
    encryption: ssl
    password: 'YOUR_GOOGLE_PASSWORD'

NOTE: Check your email sending limits: https://support.google.com/a/answer/166852?hl=en>


Emails are not sent


The first step in determining why emails are not sent is to enable debugging. This can be done via the user/config/email.yaml file or via the plugin settings in the admin. Just enable this and then try sending an email again. Then inspect the logs/email.log file for potential problems.

ISP Port 25 blocking

By default, when sending via PHP or Sendmail the machine running the webserver will attempt to send mail using the SMTP protocol. This uses port 25 which is often blocked by ISPs to protected against spamming. You can determine if this port is blocked by running this command in your temrinal (mac/linux only):

(echo >/dev/tcp/localhost/25) &>/dev/null && echo "TCP port 25 opened" || echo "TCP port 25 closed"

If it's blocked there are ways to configure relays to different ports, but the simplest solution is to use SMTP for mail sending.


If you get an exception when sending email but you cannot see what the error is, you need to enable more verbose exception messages. In the user/config/system.yaml file ensure your have the following configuration:

  display: 1
  log: true

Configuration Issues

As explained above in the Configuration section, if you're using the default settings, set the Plugin configuration to use a SMTP server. It can be Gmail or another SMTP server you have at your disposal.

This is the first thing to check. The reason is that PHP Mail, the default system used by the Plugin, is not 100% reliable and emails might not arrive.

Found errors? Think you can improve this documentation? Please edit this page. You can also view the history of this page.