A simple red cartoon-style telephone handset icon, isolated on a white background.

One-on-one free email deliverability consultation

The Art of Email Header Design Best Practices and Examples for Engaging Emails

A person in a suit stands before an easel, painting an email envelope. The background features graphs, charts, and email icons, with Email Header prominently displayed. The scene blends artistic and digital elements.

They say that first impressions last. In the case of email marketing this can be the case, since one of the first things they encounter upon receiving your email is the email header.  Email headers serve as a gateway to capture the attention of your readers, because the hard truth is, very little of them […]

Email Marketing Terms You Need To Learn

hard bounce email

If you are an email marketer chances are you are pretty much accustomed or familiar with the jargons of email marketing.  However, there are some terms that you may not have figured out yet. The following is an organized glossary of terms, and its explanations that you can use as a reference for your email […]

SMTP Error Codes and Messages

451 4.3.0

Have you ever tried to send an email but received an error code that was completely foreign to you? These codes are actually crucial for understanding what’s wrong with your email. If you encountered an error, there may be an issue with your Simple Mail Transfer Protocol (SMTP). SMTP ensures the overall functionality of email […]

Why a clean B2B email list is the secret to better engagement and conversions

What is B2B SaaS

Statistics show that of the three businesses with a website, two live and breathe email marketing as one of the most effective tools of reaching their prospects, leads, clients, and in turn driving sales. But its effectiveness really depends on the quality of your email list. A B2B email list may be the key distinction […]

Lead scoring 101: Converting email engagement to actionable insights

ActiveCompaign deliverability

In this competitive business environment, where email marketing has become such a major channel for marketing communication, understanding the behavior of your audience, is key. Lead scoring is a way to determine the quality of a lead, usually based on their interaction through an email channel. Establishing a clear hand-off process from marketing to sales […]

Yahoo Emails Bouncing Back: How to Fix and Prevent It

Illustration of an anthropomorphic tiger wearing a black warmy t-shirt, standing with arms crossed next to the text Yahoo Emails Bouncing Back: How to Fix and Prevent It on a white background with an orange grid pattern.

Are you seeing your Yahoo emails bounce back more often? If so, you’re not alone. Many senders face this frustrating issue, especially when reaching out to Yahoo users. Bounced emails can hurt your engagement rates and damage your sender’s reputation, ultimately reducing the impact of your email campaigns. Understanding why Yahoo emails bounce back – […]

Error SMTP 550 5.1.0 – Significado y guía para solucionarlo

Text on a white background: Error SMTP 550 5.1.0: Significado y guía para solucionarlo in dark blue and red letters.

El correo electrónico es una herramienta esencial para la comunicación, pero no está exento de fallos. Uno de los errores más frecuentes es el SMTP 550 5.1.0, un inconveniente que puede impedir la entrega de mensajes y generar frustración entre los usuarios. Cómo entender el error SMTP 550 5.1.0 El protocolo simple de transferencia de […]

Error SMTP 503 5.5.2 – Cómo resolverlo [SOLUCIONADO]

Text in Spanish reads: Error SMTP 503 5.5.2: Cómo resolverlo [SOLUCIONADO] on a white background with a soft orange gradient in the lower right corner.

El correo electrónico es uno de los medios de comunicación predilectos hoy en día. Aunque emplea pocos protocolos, el protocolo de transferencia simple (SMTP, por sus siglas en inglés) es esencial para el envío de mensajes en internet. Sin embargo, ningún sistema tecnológico es perfecto y siempre existe la posibilidad de que se produzcan errores […]

Email Blacklists: Types, Checks, and How to Stay Off the List

email blacklist

Are your emails going to spam? Your email address could be in an email blacklist. An email blacklist is a categorized list of one or more email addresses, domains, or IP addresses that are suspected or flagged for sending spam, unwanted e-mail messages. If you get put on a blacklist your emails could be completely […]