Technical questions

How to modify the text or the style of the unsubscribe link (and "web version")?

How to change the text or style of the unsubscription link (and "web version")? The displayed text and appearance (color, size,...

How to Integrate Mailpro SMTP with an AI / GPT Operator

Connecting your Mailpro SMTP relay to an AI agent — like ChatGPT Operator, Claude, n8n or your own Python/Node script...

How to Fix "DMARC Policy Not Enabled"

If a deliverability tool tells you "DMARC policy not enabled", your DMARC record exists but is set to p=none. That...

Can I Rent a Fixed IP, and What Are the Terms?

Yes — you can rent a fixed (dedicated) IP for sending campaigns from your Mailpro account. The fixed IP is...

How Long Does It Take to Be Removed From a Blacklist?

Removal from a blacklist depends on two things: which list you’re on and whether you’ve actually fixed the underlying problem....

How to Send Form and Survey Emails From Your Own Domain

By default, Mailpro forms and surveys send confirmation and notification emails from a Mailpro server address. To make those messages...

What is the maximum length of an email address?

The official limits for an email address are set by RFC 5321: a maximum of 64 characters for the local...

Internet Explorer 11 is no longer supported by Mailpro

Microsoft retired Internet Explorer 11 in 2022, and Mailpro has followed by removing IE11 from its list of supported browsers....

What is a user agent and how does Mailpro use it?

A user agent is the identifier a web browser or email client sends to a server so it can introduce...

What is a dedicated IP?

A dedicated IP is an IP address used exclusively by a single Mailpro sender. Unlike a shared IP, where reputation...

What Is IP Reputation and Why Does It Matter?

IP reputation is the trust score that mailbox providers (Gmail, Yahoo, Outlook, Apple Mail) assign to the IP address that...

File Sizes and Extensions Supported by Mailpro Builder

The Mailpro Builder accepts a wide range of file types for images, attachments and downloadable resources. Each type has a...

How to Configure DMARC With Mailpro: 5-Step Safe Rollout

Setting up a DMARC record with Mailpro is the third pillar of email authentication, after SPF and DKIM. Done right,...

What Is a DMARC Record and How to Use It?

DMARC (Domain-based Message Authentication, Reporting and Conformance) is the email authentication standard that ties SPF and DKIM together and tells...

How to Configure DKIM With Mailpro: 4 Easy Steps

Configuring DKIM with Mailpro takes about ten minutes and pays off immediately: signed messages, higher inbox placement and protection against...

What Is a DKIM Record?

DKIM (DomainKeys Identified Mail) is an email authentication method that lets a sender attach a cryptographic signature to every outgoing...

How to Configure SPF With Mailpro: 5-Step Guide

Configuring SPF with Mailpro is a 5-minute job that pays off immediately: better inbox placement, fewer bounces and protection against...

What Is SPF (Sender Policy Framework)?

SPF (Sender Policy Framework) is an email authentication standard that lets a domain owner publish a list of servers authorized...

What is DMARC? Policies, alignment and safe sending

DMARC (Domain-based Message Authentication, Reporting and Conformance) is the shield that protects your domain from spoofing and phishing. It combines...

Why Does My Message Display Special Characters?