7 Email Marketing Tactics That Still Work in 2026 (With Data to Prove It)
Despite constant reports of its death, email remains the highest-ROI marketing channel available to B2B companies.
Litmus's 2025 Email Marketing Benchmark Report found that email generates $36 for every $1 spent — a higher ROI than any other digital marketing channel.
Source: Litmus, "2025 State of Email Marketing Report," 2025
But the tactics that worked in 2020 don't work the same way in 2026. Here are 7 tactics that are still driving results.
Tactic 1: Segmentation Over Volume
Sending the same email to your entire list is the fastest path to high unsubscribes and spam complaints. Instead, hyper-segment by:
- Industry vertical
- Company size
- Stage in the buying journey
- Past engagement behavior
Mailchimp data shows that segmented campaigns generate 14.31% higher open rates than non-segmented campaigns.
Source: Mailchimp, "Email Segmentation Benchmark Data," 2024
Tactic 2: Behavioral Trigger Emails
The most effective emails are sent in response to user behavior, not on a scheduled blast. Set up triggers for:
- Downloaded a lead magnet → send related content
- Visited your pricing page 3+ times → trigger sales outreach
- Hasn't opened in 90 days → send a re-engagement sequence
Tactic 3: Plain-Text for Personal Touch
In 2026, overly designed HTML emails scream "marketing blast" to recipients. For nurture and outreach sequences, plain-text emails (or minimally formatted emails) perform significantly better.
They feel personal, they render better across email clients, and they're less likely to trigger spam filters.
Tactic 4: Subject Line Testing (Seriously)
Your subject line determines whether your email gets opened or deleted. Test:
- Questions vs. statements
- Numbers vs. words
- Short (3–5 words) vs. medium (6–10 words)
- Emojis vs. no emojis (answer: usually no emojis for B2B)
Never launch a major campaign without A/B testing your subject line first.
Tactic 5: Mobile Optimization
According to Campaign Monitor, 61% of emails are now opened on mobile. If your emails aren't mobile-optimized, you're burning more than half your list.
Source: Campaign Monitor, "Email Client Market Share Report," 2025
Best practices: single-column layout, 16px+ font size, large tap targets for buttons, preheader text optimized for preview.
Tactic 6: The P.S. Line
The P.S. line is the most-read part of any email after the subject line and the first sentence. Use it to:
- Repeat your primary CTA
- Add a secondary offer
- Include a personal note or signature-worthy stat
Tactic 7: Send Time Optimization
Test your send times. For most B2B audiences, Tuesday–Thursday, 10am–2pm in the recipient's timezone generates the highest open and click rates.
But test for YOUR list — every audience is different.
The 2026 Email Stack
For B2B marketers, the modern email stack looks like:
- HubSpot or Klaviyo for marketing emails and nurture sequences
- Instantly or Smartlead for cold outbound sequences
- Clay for personalization data enrichment
- Litmus for testing and deliverability monitoring