Knowledge Base

123FormBuilder gives you the ability to create electronic forms of any kind and add electronic signatures to them. Use the Signature field to get an electronic equivalent of the handwritten signature from your respondents. Now…

When using our HTML form generator, you can add electronic signature fields to your forms. The signature field is delimited by a box-shaped canvas. To customize the digital signature box on your form, you'll need…

What is DKIM? DKIM (Domain Keys Identified Mail) is a standard email authentication method that adds a digital signature to outgoing messages. Receiving mail servers that get messages signed with DKIM can verify the sender’s…

What are DKIM signatures and who are they for? DKIM (Domain Keys Identified Mail) is a type of digital signature that can be added to emails in order to ensure that they are not forged.…

You can create a double opt-in flow using Approvals in order to verify if the submitted data is correct and/or confirm respondent's identity. In this way, you can make sure that the respondents submitted the…

The form editor of 123FormBuilder, your trusted online form maker, allows you to create and customize the structure of your web form in any way you want. You can add and edit basic and advanced…

PayPal Payments Pro allows you to accept payments directly on your online order form, without redirecting away from the page. Users will enter their payment details in the form itself and credit card fields will…

123FormBuilder is actively taking all the measures needed to keep your form data secured. We host our data on AWS (Amazon Web Services) and store all information in data centers across the United States and…

Creating a complex order form with payment integration using our order form generator may initially seem a bit tricky. This article will guide you through every step, from adding the first field to having happy…

Multiply field groups field is used to group a set of fields that repeats as needed, allowing respondents to input multiple instances. Respondents will be able to click on a button to generate an additional…

123FormBuilder is equipped with all the field types you need to build your form. In this article, you will learn how to choose the right field. Choose the best input type The most common input…

SPF filtering is a common anti-spam measure among email providers. It is designed to prevent your emails from being marked as spam. Prevent email spoofing and secure your domain by adding SPF records to your…