Postigo Blog

Blog about mailings
and deliverability growth

Practical tips, case studies, and guides on email marketing, deliverability, and mailing automation.

How to Use Spintax in Cold Email: The Ultimate Guide for 2024
Cold Outreach

How to Use Spintax in Cold Email: The Ultimate Guide for 2024

Master the art of using spintax to create unique message variations and bypass spam filters. Implementing these dynamic templates can boost your deliverability by up to 40% while keeping your outreach personalized at scale.

May 21, 2026 6 min read
How to Use Spintax for Cold Email Personalization: A Complete Guide
Cold Outreach

How to Use Spintax for Cold Email Personalization: A Complete Guide

Learn how to use spintax to create thousands of unique email variations from a single template using simple bracketed syntax. This guide explains how rotating synonyms and sentence structures bypasses spam filters and boosts your deliverability by up to 35%.

May 20, 2026 6 min read
How to Use Spintax for Cold Email: A Complete Guide for 2024
Cold Outreach

How to Use Spintax for Cold Email: A Complete Guide for 2024

Master the art of using spintax to create unique message variations and bypass aggressive spam filters. This guide explains how to implement spinning syntax to boost your email deliverability and scale your outreach safely in 2024.

May 16, 2026 6 min read
How to Use Spintax in Cold Email to Improve Deliverability
Cold Outreach

How to Use Spintax in Cold Email to Improve Deliverability

Spintax allows you to create unique email variations by rotating synonyms and phrases within curly brackets to bypass spam filters. This technique prevents email providers from flagging your messages as repetitive content, ensuring your deliverability and sender reputation remain high.

May 16, 2026 7 min read
Optimizing Cold Email Send Times for Higher Open Rates
Cold Outreach

Optimizing Cold Email Send Times for Higher Open Rates

Boost cold email opens by sending Tuesdays-Thursdays, 10 AM-2 PM. Tailor timing to your audience for best results.

May 1, 2026 11 min read
Building a Prospect List: The Ultimate Guide to Sales Lead Generation
Lead Generation

Building a Prospect List: The Ultimate Guide to Sales Lead Generation

Craft a strong prospect list. Identify, research, and qualify leads to maximize sales outreach success.

Apr 29, 2026 9 min read
Advanced Email List Segmentation for Hyper-Targeted Outreach
Lead Generation

Advanced Email List Segmentation for Hyper-Targeted Outreach

Segment email lists for hyper-targeted outreach. Personalize campaigns for improved engagement and conversions.

Apr 28, 2026 9 min read
SMTP Proxy: Boost Deliverability & Scale Cold Outreach
Email Infrastructure

SMTP Proxy: Boost Deliverability & Scale Cold Outreach

SMTP proxy boosts email deliverability and scales cold outreach. It manages IP reputation, load balancing, and connection handling.

Apr 27, 2026 11 min read
Optimizing Cold Email Campaigns with A/B Testing: A Guide
Cold Outreach

Optimizing Cold Email Campaigns with A/B Testing: A Guide

Boost cold email results. A/B test elements like subject lines and body copy to optimize campaigns for higher opens, clicks, and replies.

Apr 26, 2026 10 min read
Advanced Cold Email Sequencing: Strategies for Higher Conversions
Cold Outreach

Advanced Cold Email Sequencing: Strategies for Higher Conversions

Multi-step cold email campaigns boost engagement and conversions. Strategic sequencing outperforms single emails, driving better results.

Apr 22, 2026 9 min read
Crafting High-Converting Cold Email Subject Lines: A Guide
Cold Outreach

Crafting High-Converting Cold Email Subject Lines: A Guide

Personalize, be brief, and offer value or curiosity. Effective subject lines are key to getting your cold emails opened.

Apr 20, 2026 8 min read
Optimizing Cold Email Campaigns with A/B Testing
Cold Outreach

Optimizing Cold Email Campaigns with A/B Testing

Boost cold email performance with A/B testing. Systematically compare elements to improve open, click, and conversion rates.

Apr 19, 2026 11 min read
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