Email

SMTP Ports 25, 465, & 587: Which should you choose?

SMTP Ports 25, 465, & 587: Which should you choose?

Email sendability is crucial, and SMTP is the backbone for internet transmission. At Maileroo, choosing the right SMTP port can significantly impact email deliverability and sender reputation. The most critical SMTP ports are Port 25, Port 587, and Port 465.

Top 10 Best Free SMTP Servers

Top 10 Best Free SMTP Servers

Email marketing is crucial for businesses to reach their target audience and boost engagement. SMTP services provide a reliable and efficient method for sending mass and transactional emails. This article compares top providers to help businesses make informed decisions.

SendGrid Review (2025): Pros, Cons, and Alternatives

SendGrid Review (2025): Pros, Cons, and Alternatives

With the increasing importance of email marketing in the information overload era, it is crucial for maintaining direct and personalised communication with audiences. This comprehensive 2025 SendGrid review provides a nuanced analysis and comparisons with alternative platforms.

How to Avoid Email Blocklists and Protect Your List

How to Avoid Email Blocklists and Protect Your List

If you're facing challenges with your emails not reaching people, there's a possibility you've been placed on a spam blocklist. Such blocklists can significantly hinder your email marketing efforts by preventing your messages from reaching your subscribers' inboxes.

Actionable Checklist to Improve Email Deliverability

Actionable Checklist to Improve Email Deliverability

Maintaining email deliverability is essential for marketing success. Key strategies include avoiding dodgy URLs, selecting a reputable ESP, warming up IPs, managing bounces, ensuring email authentication, and focusing on user experience through segmentation and consistent sending patterns.

Why Are My Emails Going to Spam?

Why Are My Emails Going to Spam?

Learn why emails land in spam and how to prevent it. Key factors include sender reputation, email content, and adherence to authentication standards like SPF, DKIM, and DMARC. Solutions involve engaging content, double opt-in, proper HTML use, good IP reputation, and consistent sending behavior.

Announcing Maileroo Mail Tester Tool

Introducing Maileroo Mail Tester, a free and user-friendly tool designed to improve the security and deliverability of your emails. The service provides comprehensive spam analysis, authentication verification, RBL testing, and many other features.

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