Essential Data, Trends, and Recent Developments in Email Marketing

Email changes more slowly than social media, but it does change, and some of the changes are not optional. Since 2024 the big mailbox providers have started rejecting or filtering mail from senders who skip basic authentication, and privacy features have made open rates far less trustworthy.

Here are the developments that matter for a small business or venue, and what to do about each.

Why Should Businesses Stay Updated with Email Marketing News?

Most of email marketing is fundamentals that have not moved in years: send to people who asked, be useful, make leaving easy. The updates worth tracking are the technical and legal ones, because they decide whether your email arrives at all. Missing a mailbox provider requirement does not make your campaign slightly worse; it can send the whole thing to spam.

4 Key Developments in Email Marketing

Staying current does not take much effort. The most useful habit is reading the official sender guidance from the mailbox providers themselves, which is where the rules that affect you are published. Four developments stand out.

1. Customers Still Prefer Email for Brand Communication

Social reach depends on an algorithm you do not control; an email list of people who opted in does not. Email also lets people read on their own schedule and leave with one click, which is a large part of why it keeps working. A clear reason to sign up, such as a welcome offer or early access to events, still matters more than the form itself.

2. Too Many Emails Drive Unsubscribes

Email works, but it needs balance. Every email you send is a chance for the reader to decide you send too many. Send less, but make each email worth opening. For most venues, one to four relevant emails a month is plenty, and a quiet month is better than a filler email.

3. Personalization Drives Results, Especially With Good Data

Personalization works best when it is based on what customers actually do, not just a first name in the greeting. Venues that collect guest data through WiFi can personalize by how often and when guests visit: a lunch offer for weekday lunch regulars, an event invite for people who come in on Friday nights.

4. Stricter Sender Requirements From Gmail and Yahoo

Since February 1, 2024, Google's email sender guidelines have required anyone sending more than 5,000 messages a day to Gmail accounts to set up SPF, DKIM and DMARC, support one click unsubscribe in marketing messages, and keep the spam rate reported in Postmaster Tools below 0.30%. Google's sender guidelines FAQ adds that unsubscribe requests should be honored within 48 hours. Yahoo's sender best practices set similar rules for bulk senders from February 2024, including honoring unsubscribes within 2 days and keeping the spam rate below 0.3%. Microsoft now requires domains that send 5,000 or more messages to its consumer services, such as Outlook.com, to pass SPF, DKIM and DMARC, and rejects mail that fails (Microsoft support, error 550 5.7.515). A small venue will rarely hit those volumes, but every sender has to pass SPF or DKIM for Gmail, and following the full set is the simplest way to stay out of spam. Our hospitality email deliverability guide explains how.

Email Marketing Data That Highlights Its Impact

A few figures and facts worth knowing, each checked at the source:

• Open rates are inflated. Mailchimp's benchmarks (last updated December 2023) put the average open rate across its users at 35.63% and the average click rate at 2.62%, and note that Apple's Mail Privacy Protection can affect open rate accuracy. Judge campaigns on clicks and visits.
• Return is self reported. In Litmus's 2025 State of Email research, 35% of companies said they see $10 to $36 back for every $1 spent on email. That is a survey of marketers, not a guarantee.
• Phones first. For a venue, guests join your WiFi on a phone, so assume they will read your email on one too.

Timing advice varies by study and audience, and many "best time to send" findings contradict each other. Test your own send times instead of relying on a universal rule.

2 Email Marketing Trends Worth Acting On

Two trends are worth acting on now, and each has a catch.

1. Designing Emails That Catch the Eye

In the early days, email design options were limited. Now there is far more focus on emails that look good. Clean, minimal, accessible designs hold attention: readable fonts, enough contrast, short sections and descriptive alt text on images. Simple interactive elements such as polls or quick surveys can add engagement, but always include a fallback for email apps that do not support them.

2. Adapting How You Track Email

The way you track needs updating. Since privacy changes such as Apple's Mail Privacy Protection, open rates alone are unreliable. Focus on clicks, conversions, list growth and real outcomes such as bookings or return visits, and treat opens as a rough signal only.

Stay Current to Get the Most from Email Marketing

If you do one thing after reading this, check that your sending domain passes SPF, DKIM and DMARC. For the numbers behind these trends, see essential data to fuel your campaigns.

For venues, VoqadoWiFi makes the first step easier: it collects guest contacts through a branded WiFi portal on TP-Link Omada or Ubiquiti UniFi, where marketing is an optional box apart from the WiFi terms. Growth adds Mailchimp sync for the guests who ticked it, so your list lands in a sender that already handles authentication and one click unsubscribe. Starter is free forever for one location and 500 guest logins a month. Create a free account or get the free toolkit.