» Testing Your Newsletter - Campaign Send vs Inbox Test

Before sending a live email campaign, it’s vital to test your newsletter properly. Testing ensures that all links, images, personalisation tags, and formatting display correctly across inboxes and devices. BulkMail offers two ways to test your emails While both serve a purpose, the Campaign Send Method provides the most accurate representation of how a real campaign will behave in the inbox. This article explains how each method works, their key differences, and why using a dedicated test list for campaign-based testing delivers…

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» Trigger-Word Trouble - How to Keep Your Emails Out of the Spam Folder

Gmail, Outlook and other providers rely on sophisticated filters to shield users from scams and unwanted sales pitches. One of their strongest signals is language that mirrors past spam. Re-using that vocabulary—even innocently—raises the risk that a perfectly legitimate campaign never reaches the inbox. This guide explains why certain words trigger filters and presents four themed word-banks you should treat with caution. Apply the deliverability tips that follow to keep messages in front of customers, not spam bots. Context, design and sender…

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» How to Test If Your Email Looks Like Spam

Before sending your email campaign to your full list, it’s crucial to test how your message performs against spam filters. This process can highlight issues related to content, authentication, structure, and formatting — all of which affect whether your email lands in the inbox, promotions tab, or spam folder. This guide will help you use www.mail-tester.com, a free and effective tool that gives your email a spam score out of 10. While it's not foolproof, it covers the major spam signals used…

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» How to Prevent Your Email from Being Marked as Spam

Email spam filters are designed to protect users from unsolicited and potentially harmful content. However, legitimate emails from businesses — especially bulk senders — can be mistakenly flagged as spam due to content, formatting, technical setup, or sender reputation. Understanding how spam filters work and how to optimise your email strategy can significantly reduce the likelihood of your message being incorrectly classified as spam. Spam is typically defined as: Even if you’re not intentionally sending spam, spam-like characteristics in your email can…

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» What is a SPAMTRAP?

A spam trap is a type of email address designed to identify and block senders who use poor list management practices, such as buying or scraping email addresses, or sending without proper consent. These traps are maintained by Internet Service Providers (ISPs), anti-spam organisations, and blacklist operators to protect inboxes from unsolicited or harmful emails. Sending to a spam trap can: If an ISP like Hotmail or AOL owns the spam trap you hit, your domain could be permanently blocked from sending…

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» What Are Spam Trigger Words?

Spam trigger words are terms or phrases that raise red flags for spam filters. These filters are built to protect inboxes from unsolicited, misleading, or suspicious content. If your email contains too many of these words — especially in combination with poor formatting or low sender reputation — your message may be flagged as spam or even rejected. Spam filters don’t just look at keywords in isolation. Context, design, and your sending history all matter. Problems arise when you: Run a spam…

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