Blog

SMTP & Email Marketing Resources

Practical guides, tutorials, and deliverability tips for marketers, developers, and agencies running email campaigns through their own SMTP — with a focus on Bangladesh.

Basics

What is SMTP? A Beginner's Guide for Bangladesh Businesses

Learn what SMTP is, how it works, and why every Bangladesh business sending email needs an SMTP server they can trust.

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Guides

Bring Your Own SMTP: What It Means and Why It Matters

BYOSMTP explained — how connecting your own SMTP gives you better deliverability, lower costs, and full control over your sender reputation.

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Tutorials

How to Send Bulk Email Using Gmail SMTP (Step-by-Step)

Use Gmail SMTP with RAPID SMTP to send bulk email campaigns. App password setup, daily limits, and when to upgrade to Amazon SES.

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Tutorials

Using Amazon SES as Your SMTP for Bulk Email Campaigns

Connect Amazon SES to RAPID SMTP for the cheapest bulk email stack possible — domain verification, SMTP credentials, and campaign setup.

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Deliverability

10 Email Deliverability Tips to Land in the Inbox, Not Spam

SPF, DKIM, DMARC, list hygiene, send volume, and more — the practical email deliverability checklist for Bangladesh marketers.

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Bangladesh

Bulk Email Marketing in Bangladesh: Complete 2025 Guide

The complete 2025 guide to bulk email marketing in Bangladesh — platforms, pricing in BDT, deliverability, and why BYOSMTP wins.

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Comparisons

SMTP Service vs Email Marketing Platform: What's the Difference?

SMTP relay vs full marketing platform — the difference, when to use each, and why RAPID SMTP combines both for Bangladesh businesses.

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Analytics

How Email Open & Click Tracking Works (And Why You Need It)

Tracking pixels, click redirects, open-rate benchmarks — how to use email tracking data to improve every campaign you send.

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Tutorials

Connecting cPanel SMTP to RAPID SMTP: Complete Guide (2026)

Step-by-step guide to find your cPanel SMTP settings, configure port 587 with TLS, and connect them to RAPID SMTP for reliable transactional and bulk email.

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Tutorials

Amazon SES Pricing & Setup Guide: The Cheapest Bulk Email Stack (2026)

How Amazon SES pricing actually works ($0.10 per 1,000 emails + 62,000 free), how it compares to Mailchimp and SendGrid, and how to connect SES to RAPID SMTP.

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