WPIntell

Market

wordpress smtp

Wordpress Smtp matters only if the evidence supports a paid workflow around protecting form submissions and lead routing, not a list of isolated fixes. The current commercial thesis is: Businesses lose leads when forms, spam controls, email delivery, or CRM handoffs fail. The entry wedge is to verify lead capture end to end and show where submissions, notifications, or integrations break.

Proof Health

Open evidence

Commercial opportunities need traceable source links before they are treated as build-worthy.

63 / 79 rows with source links

79.7% of this page's analysis has direct source links.

0 build-decision rows missing links

0 rows here require auditable proof before promotion.

16 rows with no attached evidence

0 rows have source counts but still need direct links.

Opportunity Summary

Full report

Build a lead capture reliability plugin for marketing teams, agencies, and lead-generation site owners: Businesses lose leads when forms, spam controls, email delivery, or CRM handoffs fail. The first wedge is to verify lead capture end to end and show where submissions, notifications, or integrations break.

The unmet need is not the individual complaint. It is the recurring business workflow: Businesses lose leads when forms, spam controls, email delivery, or CRM handoffs fail. Current stage: commercial watchlist.

Competitors

6 shown
WP SMTP Mailer – SMTP7 9.0K installs · 5.0
praise owner
-100.0%momentum 49.5weakness 18/31pain/praise

Pain still appears around bugs, compatibility despite praise for reliable, easy.

source 1 source 2
MailHog for WordPress 100 installs · 4.7
praise owner
-100.0%momentum 44.7weakness 3/12pain/praise

Pain still appears around missing feature, support despite praise for reliable, quality.

source 1 source 2

Evidence

Open evidence explorer
complaint Emails Not Sending, “Detected as Spam” SMTP Error

Emails Not Sending, “Detected as Spam” SMTP Error: users show security, bugs, support pain that may indicate a product gap.

Solid Mail – SMTP email and logging made by SolidWP · Emails Not Sending, “Detected as Spam” SMTP Error Hello, I’m currently experiencing an urgent issue with the Solid Email plugin. complaint SMTP Error: Could not authenticate..!

SMTP Error: Could not authenticate..!: users show security, bugs, support pain that may indicate a product gap.

WP SMTP Mailer – SMTP7 · SMTP Error: Could not authenticate..! complaint PHP Fatal error in Ver. 1.0.4

PHP Fatal error in Ver. 1.0.4: users show bugs, compatibility, missing feature pain that may indicate a product gap.

WP SMTP Mailer – SMTP7 · PHP Fatal error in Ver. complaint Error sending mail

Error sending mail: users show security, bugs, compatibility pain that may indicate a product gap.

Solid Mail – SMTP email and logging made by SolidWP · Error sending mail hi I am trying to send mail using this plugin but I get the same error al the time saving the details or after sending a test email, pls look at the details I have filled https://prnt.sc/8Y_OhkFNwqb6 the password is correct as I have tried to login to the MS licensed account via the browser I am on a VPS CenOs 7 PHP 7.4 WP SMTP connection complaint emails being automatically subscribed on a marketing list

emails being automatically subscribed on a marketing list: users show security, bugs, pricing pain that may indicate a product gap.

Solid Mail – SMTP email and logging made by SolidWP · emails being automatically subscribed on a marketing list Hi Recently, we’ve been having an issue using this plugin. complaint Broken in the recent installation

Broken in the recent installation: users show bugs, compatibility, support pain that may indicate a product gap.

SMTP for Amazon SES – YaySMTP · Broken in the recent installation Does not work with MariaDB 10.6, fails to create table and errors-out. complaint Gone with the wind

Gone with the wind: users show security, performance, missing feature pain that may indicate a product gap.

Solid Mail – SMTP email and logging made by SolidWP · Gone with the wind This plugin was earlier called WP-SMTP and was a simple but perfect working SMTP client in the style of WordPress GPL. complaint Your update version causing issues!

Your update version causing issues!: users show bugs, compatibility, performance pain that may indicate a product gap.

Solid Mail – SMTP email and logging made by SolidWP · Your update version causing issues! complaint Fatal Error on the latest version 2.1.0

Fatal Error on the latest version 2.1.0: users show bugs, compatibility, support pain that may indicate a product gap.

Solid Mail – SMTP email and logging made by SolidWP · Fatal Error on the latest version 2.1.0 Hello, Not sure what you did , but this plugin worked perfectly on version 2.0.0 . mixed WordPress caught an error with one of your plugins, SMTP for AmazonSES – YaySMTP

WordPress caught an error with one of your plugins, SMTP for AmazonSES – YaySMTP: users show bugs, compatibility, missing feature pain that may indicate a product gap.

SMTP for Amazon SES – YaySMTP · WordPress caught an error with one of your plugins, SMTP for AmazonSES – YaySMTP I keep seeing a critical error when my site tries to send an email using this plugin. mixed The recent update created debugging issue

The recent update created debugging issue: users show bugs, compatibility, missing feature pain that may indicate a product gap.

WP SMTP Mailer – SMTP7 · The recent update created debugging issue It also prevented me from logging onto my dashboard, the error message was as follows There has been a critical error on this website. mixed Issue with Plugin: Passwords Containing % Sign

Issue with Plugin: Passwords Containing % Sign: users show security, bugs, missing feature pain that may indicate a product gap.

Solid Mail – SMTP email and logging made by SolidWP · Issue with Plugin: Passwords Containing % Sign I hope this message finds you well. complaint [NSFW] Resolve error 550

[NSFW] Resolve error 550: users show security, bugs, support pain that may indicate a product gap.

Solid Mail – SMTP email and logging made by SolidWP · [NSFW] Resolve error 550 This is the Error message I receive when I try an automatic delivery from my website. complaint GoSMTP Plugin Causes JSON Response Errors in WooCommerce Stripe Express Checkout

GoSMTP Plugin Causes JSON Response Errors in WooCommerce Stripe Express Checkout: users show bugs, compatibility, support pain that may indicate a product gap.

GoSMTP – SMTP for WordPress · GoSMTP Plugin Causes JSON Response Errors in WooCommerce Stripe Express Checkout I wanted to report a conflict involving your plugin GoSMTP v1.1.1 . mixed Table ‘mydatabase.wpni_wpsmtp_logs’ doesn’t exist

Table ‘mydatabase.wpni_wpsmtp_logs’ doesn’t exist: users show security, bugs, performance pain that may indicate a product gap.

Solid Mail – SMTP email and logging made by SolidWP · Table ‘mydatabase.wpni_wpsmtp_logs’ doesn’t exist Hi, please add a fix for this, it must check if the table exist, if not create the table, my logs are explosing with this error: [01-Jan-2025 17:33:39 UTC] WordPress database error Table ‘mydatabase.wpni_wpsmtp_logs’ doesn’t exist for query SELECT * FROM wpni_wpsmtp_logs ORDER BY timestamp DESC LIMIT 10 OFFSE complaint Fatal error: call to undefined function date diff ()

Fatal error: call to undefined function date diff (): users show bugs, compatibility pain that may indicate a product gap.

WP SMTP Mailer – SMTP7 · Fatal error: call to undefined function date diff () I downloaded and attempted to activate the WP SMTP Mailer. mixed Feature request: reply-to field

Feature request: reply-to field: users show security, missing feature, support pain that may indicate a product gap.

Solid Mail – SMTP email and logging made by SolidWP · Feature request: reply-to field Hello, This is a really good and solid plugin. complaint One of most dangerous plugins in the whole world for wordpress

One of most dangerous plugins in the whole world for wordpress: users show security, performance pain that may indicate a product gap.

Solid Mail – SMTP email and logging made by SolidWP · so please don’t use this plugin if you care about the security of your website. complaint Faulty and terrible customer service

Faulty and terrible customer service: users show bugs, support pain that may indicate a product gap.

MailHawk — Simple SMTP, Email Delivery, and Email Logging · Emails stop coming in from a simple contact form made on Gravity Forms. complaint PHP Fatal Error

Activating SMTP7 broke the admin login OTP flow and ended in a 504 timeout until the plugin was deactivated.

WP SMTP Mailer – SMTP7 · After clicking the Log In button, the next page (the OTP input page) never displayed. AFter a timeout, the error 504 page was displayed. complaint AIOS Salts vs. Encryption

AIOS Salts vs. Encryption: users show security pain that may indicate a product gap.

WP SMTP Mailer – SMTP7 · Encryption Enabling Salts with ‘All-In-One-Security’ WordPress plugin ( https://aiosplugin.com/wordpress-salts-adding-extra-security/ ) destroys your encrypted details. praise Working straight away, life saver

Working straight away, life saver: users show security, bugs, compatibility pain that may indicate a product gap.

Solid Mail – SMTP email and logging made by SolidWP · Working straight away, life saver I end up in trouble with my mail system, while before I could simply use gmail for my form and woocommerce, suddenly all mail went to spam and stopped all together. complaint Plugin issues under PHP8.4

The reviewer reports that running the plugin under PHP 8.4 crashes the website.

Solid Mail – SMTP email and logging made by SolidWP · When the plugin is running under PHP8.4, it will cause the website to crash praise I had GMAIL spam detection for my site email…

I had GMAIL spam detection for my site email…: users show security, setup pain that may indicate a product gap.

Solid Mail – SMTP email and logging made by SolidWP · I had GMAIL spam detection for my site email… installed this plug in all started work perfectly! praise Got it working with ZoHo account

Got it working with ZoHo account: users show security pain that may indicate a product gap.

Solid Mail – SMTP email and logging made by SolidWP · Got it working with ZoHo account Took me some time to discover how to resolve the ‘problem’ authenticate your SMTP account. complaint Customizing the “From” Email Address in Solid Mail Plugin

Customizing the “From” Email Address in Solid Mail Plugin: users show bugs, compatibility, performance pain that may indicate a product gap.

Solid Mail – SMTP email and logging made by SolidWP · Customizing the “From” Email Address in Solid Mail Plugin Dear SolidWP Support Team, I’m reaching out regarding the recent updates to the Solid Mail plugin. complaint WTF have you done?

WTF have you done?: users show bugs, compatibility, performance pain that may indicate a product gap.

Solid Mail – SMTP email and logging made by SolidWP · Every site I had wp-smtp installed on with an SMTP connection working has been disabled! complaint No emails sending after last update – they knew and didn’t warn

No emails sending after last update – they knew and didn’t warn: users show bugs, compatibility, performance pain that may indicate a product gap.

Solid Mail – SMTP email and logging made by SolidWP · No emails sending after last update – they knew and didn’t warn In the most recent update around April 2022, they pushed a release that made the plugin not work because the update erased your credentials. complaint No Dashboard

No Dashboard: users show bugs, compatibility, missing feature pain that may indicate a product gap.

Solid Mail – SMTP email and logging made by SolidWP · No Dashboard I had installed Solid Mail and was using it. complaint Configuration in Docker environment

Configuration in Docker environment: users show bugs, compatibility, missing feature pain that may indicate a product gap.

MailHog for WordPress · Configuration in Docker environment I have set up a dockerized wordpress environment that looks like this: Mac-mini-3:nov11test admin$ docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES bde5d5dc6ccb nov11test_nginx “/docker-entrypoint.…” 5 minutes ago Up 4 minutes 0.0.0.0:443->443/tcp, 80/tcp, 0.0.0.0:8085->8085/tcp widgets_nginx ecb13db96046 no complaint error updating

error updating: users show bugs, compatibility, missing feature pain that may indicate a product gap.

GoSMTP – SMTP for WordPress · error updating hello! complaint Great concept – needs work on deliverability

Great concept – needs work on deliverability: users show bugs, performance, missing feature pain that may indicate a product gap.

MailHawk — Simple SMTP, Email Delivery, and Email Logging · Great concept – needs work on deliverability I started out by giving this plugin a 5 start review – it was easy to set up – so nice to see that the reports were right in wordpress – didn’t have to leave the dashboard. complaint ������������������

������������������: users show bugs, compatibility, performance pain that may indicate a product gap.

Solid Mail – SMTP email and logging made by SolidWP · Hi @senjoralfonso , Apologies for the slow turnaround here! complaint Table doesn’t exist

Table doesn’t exist: users show bugs, performance, missing feature pain that may indicate a product gap.

Solid Mail – SMTP email and logging made by SolidWP · Table doesn’t exist When i submit the form, the submission is sent to the email but the following error is received. complaint KingSMTP WordPress Plugin Now Compatible with Self-Hosted Postal Servers

KingSMTP WordPress Plugin Now Compatible with Self-Hosted Postal Servers: users show compatibility, missing feature, support pain that may indicate a product gap.

King SMTP – Email Log & Delivery · KingSMTP WordPress Plugin Now Compatible with Self-Hosted Postal Servers Hi everyone, We’ve updated the KingSMTP WordPress plugin so it’s now fully compatible with any self-hosted Postal server (the open-source mail delivery platform by PostalHQ). complaint Suggestion: Move delete button / bulk delete of logs

Suggestion: Move delete button / bulk delete of logs: users show performance, missing feature, support pain that may indicate a product gap.

Solid Mail – SMTP email and logging made by SolidWP · Suggestion: Move delete button / bulk delete of logs Great plugin, and works perfectly! complaint Using Postmark API – But Plugin still using SMTP – Won’t send

Using Postmark API – But Plugin still using SMTP – Won’t send: users show bugs, support, setup pain that may indicate a product gap.

Solid Mail – SMTP email and logging made by SolidWP · We have been using the official Postmark plugin but are testing the Solid Mail plugin (since we are Solid customers). mixed Feature Request – Option to Disable Automatic “From” in Reply-To Field

Feature Request – Option to Disable Automatic “From” in Reply-To Field: users show bugs, compatibility, missing feature pain that may indicate a product gap.

Solid Mail – SMTP email and logging made by SolidWP · Feature Request – Option to Disable Automatic “From” in Reply-To Field First, thank you for an excellent SMTP plugin—I rely on it across dozens of client sites and it’s been rock-solid. mixed Every plugin configuration page is now empty

Every plugin configuration page is now empty: users show bugs, missing feature, support pain that may indicate a product gap.

Solid Mail – SMTP email and logging made by SolidWP · Every plugin configuration page is now empty I just migrated my WP website to another host. mixed Why so many Cron jobs?

Why so many Cron jobs?: users show compatibility, performance, support pain that may indicate a product gap.

WP SMTP Mailer – SMTP7 · Never mind, I uninstalled.