Growth · alternatives · 2026
24 alternatives to SendGrail SMTP
Secure email delivery for WordPress with zero cost
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.
- 1
MailOptin▲134WordPress plugin to grow & engage your email list.
2017 · mailoptin.io · its alternatives →
- 2
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Free SMTP plugin for WordPress with full email logging.
2025 · smmooth.com · its alternatives →
- 4SO
Demo: https://designer.sendune.com/ Code: https://github.com/SendWithSES/Drag-and-Drop-Email-Designer HTML for email is probably the hardest code to write. Even a teeny-tiny deviation from the rules will break the email in untold combination of os/desktop/mobile clients. It's mid 2024. Almost 50 years since email was invented and 35 years since HTML was born. A 'basic-open-source-HTML-email-designer' must be a solved problem, right? We thought so too. Sadly, that's not the case. There are a few decent open source email designers but they carry…
2024 · its alternatives →
- 5
Bloom▲77Email opt-in and lead generation plugin for WordPress
2017 · elegantthemes.com · its alternatives →
- 6
SendOut▲224Affordable email marketing for bloggers and influencers
2017 · sendout.io · its alternatives →
- 7
Link Whisper▲221Building smart internal links just got easier
2020 · linkwhisper.com · its alternatives →
- 8
OutstandingBar▲116Wordpress plugin to collect emails without annoying users
2015 · outstandingbar.com · its alternatives →
- 9
Automated content promotion for Wordpress
2019 · ftf.co · its alternatives →
- 10
EasyEmail▲227Gmail plug-in that helps you write emails quickly
2018 · easyemail.ai · its alternatives →
- 11
Link Whisper 2.0▲143Building smart internal links just got easier
2022 · linkwhisper.com · its alternatives →
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mailproxy is a simple SMTP proxy. It receives emails through an unencrypted, unauthenticated SMTP interface and retransmits them through a remote SMTP server that requires modern features such as encryption and/or authentication. mailproxy is primarily useful for enabling email functionality in lega
2017 · github.com · its alternatives →
- 14
SendgoMail▲88Email sending made easy & affordable for free
2021 · sendgomail.com · its alternatives →
- 15
A fast SOCKS5 proxy that tunnels your traffic through what looks like normal SMTP email, bypassing Deep Packet Inspection firewalls. How it works: - Client runs a local SOCKS5 proxy (127.0.0.1:1080) - Traffic is sent to server disguised as SMTP (EHLO, STARTTLS, AUTH) - DPI sees legitimate email session, not a VPN/proxy Features: - One-liner install on any Linux VPS - Multi-user with per-user secrets and IP whitelists - Auto-generated client packages (just double-click to run) - Auto-reconnect on connection loss - Works with any app that supports SOCKS5 Tech: Python/asyncio, TLS…
Jan 2026 · github.com · its alternatives →
- 16
Managed email delivery for WordPress
2015 · wpemaildelivery.com · its alternatives →
- 17
Hi HN, I built a WordPress plugin called Bandwidth Saver. It takes the images your site already has and serves them through Cloudflare R2 and Workers, which means zero egress fees and extremely low storage cost. The goal is to make image delivery fast and cheap without adding any of the complexity of traditional optimization plugins. The idea is simple. WordPress keeps generating images normally. The plugin rewrites the URLs on the frontend so images are served from a Cloudflare Worker. On the first request, the Worker fetches the original image and stores it in R2. After that, Cloudflare’s…
Nov 2025 · wordpress.org · its alternatives →
- 18
Grab your website visitors' emails and more without popups!
2019 · its alternatives →
- 19
Mailtrap.io▲125Fake SMTP. Send Test Emails without spamming real customers
2014 · mailtrap.io · its alternatives →
- 20
Gift Hunt▲146The WordPress plugin for hidden surprises and gift hunts
2023 · ecommerce-platforms.com · its alternatives →
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Send transactional emails, run marketing campaigns, and automate workflows. Open-source and self-hostable, $0.001 per email, no contact limits.
2022 · useplunk.com · its alternatives →
- 24
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →