Murphy’s Law: what it is, where it comes from and 20 laws that come true in your email marketing
The true story behind the most famous saying about bad luck and what it teaches anyone who sends emails
Email and SMS retention strategy: 6 workflows to copy
Six automations that combine email and SMS, with their timings and how to set them up step by step in Mailrelay
Comic Sans: the story of the most hated typeface (and what to use in your emails)
It was made for a program that never used it and ended up everywhere: its story and how to choose the font for your emails
Marketing calendar 2027: key dates and email subject lines ready to copy
Every date of the year, when to start each campaign and subject lines you can copy as they are
Wordplay: types, examples and 30 catchy email subject lines
What it is, the types with examples and 30 subject lines to copy for your newsletters
How to verify an email: check if an email address exists and validate your list before sending
Free methods for a single address, how to clean an entire list and what no verifier can detect
Free CRM in Spanish: 8 options and what each plan really includes
How many users and contacts each one gives you, what it lacks and when it is worth paying
Email, SMS or WhatsApp? Which channel to use for each of your business messages
A table with 14 common messages, the right channel for each one and how to combine them without wearing out your customers
Digital marketing strategies: 12 examples for small businesses and how to choose yours
What to do, what it costs and how to measure it: the strategies that work for small businesses, with a sample 3-month plan
How to set up SMTP in WordPress so your emails get delivered
Why your WordPress emails aren’t arriving and how to fix it in 15 minutes
Email marketing software in Spanish: what support you get on free and paid plans (2026)
Almost every tool has its interface in Spanish, but not all of them answer you in Spanish or keep support on the free plan. Here’s what each one offers, plan by plan.