WPIntell

simple-smtp-by-maileroo

Simple SMTP by Maileroo

Ensure seamless WordPress email delivery with our all-in-one SMTP plugin, compatible with Gmail, Outlook, Maileroo, SendGrid, Mailgun, and more!

mail mailer phpmailer smtp wp_mail
27.8 Open evidence Open API Open on WordPress.org
700
8.2K
5.0
0
2
4

Proof Health

Open evidence

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

37 / 62 rows with source links

59.7% of this page's analysis has direct source links.

0 build-decision rows missing links

0 rows here require auditable proof before promotion.

25 rows with no attached evidence

0 rows have source counts but still need direct links.

Download Momentum

180 days
194 263 -26.2% 2.0K

Related Opportunities

5 markets
Commercial opportunity Mail: Lead capture reliability lead capture reliability · final 74.8 · proof validated Commercial opportunity Smtp: Lead capture reliability lead capture reliability · final 76.5 · proof validated Commercial opportunity Wp_Mail: Lead capture reliability lead capture reliability · final 72.0 · proof validated Needs sharper proof Phpmailer: Lead capture reliability lead capture reliability · final 63.8 · proof partial Needs sharper proof Mailer: Lead capture reliability lead capture reliability · final 67.9 · proof not collected

Source Evidence

Open evidence explorer
complaint support · high severity · relevance 1.0
PHP Fatal error

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

Buyer: marketing teams, agencies, and lead-generation site owners · Wedge: monitor mail submissions, notification delivery, spam, and CRM handoffs
Proof Blocked card complete lead capture reliability Evidence linked to opportunity
PHP Fatal error Hello I wanted to attach files to woocommerce order email.
praise review · high severity · relevance 0.66
Simple SMTP plugin that works perfectly with Maileroo!

Simple SMTP plugin that works perfectly with Maileroo!: users show security, missing feature, setup pain that may indicate a product gap.

Buyer: marketing teams, agencies, and lead-generation site owners · Wedge: monitor mail submissions, notification delivery, spam, and CRM handoffs
Proof Blocked card complete lead capture reliability Evidence linked to opportunity
Simple SMTP plugin that works perfectly with Maileroo!
complaint support · medium severity · relevance 0.8
Please add tags

Please add tags: users show missing feature, support pain that may indicate a product gap.

Buyer: marketing teams, agencies, and lead-generation site owners · Wedge: monitor mail submissions, notification delivery, spam, and CRM handoffs
Proof Blocked card complete lead capture reliability Evidence linked to opportunity
Please add tags Hi, Please add a tags field to the settings page (and send the together with each mail of course :)).
praise review · medium severity · relevance 0.5
Simple, no fluff

Simple, no fluff: users show missing feature, setup pain that may indicate a product gap.

Buyer: marketing teams, agencies, and lead-generation site owners · Wedge: monitor mail submissions, notification delivery, spam, and CRM handoffs
Proof Blocked card complete lead capture reliability Evidence linked to opportunity
Simple, no fluff Enter API key/SMTP settings, set senders details and test connection.
praise review · medium severity · relevance 0.5
Easy and quick setup!

Easy and quick setup!: users show missing feature, setup pain that may indicate a product gap.

Buyer: marketing teams, agencies, and lead-generation site owners · Wedge: monitor mail submissions, notification delivery, spam, and CRM handoffs
Proof Blocked card complete lead capture reliability Evidence linked to opportunity
Easy and quick setup!
praise review · medium severity · relevance 0.38
Maileroo and this pluging – fantastic!

Maileroo and this pluging – fantastic!: users praise easy, reliable, quality, which suggests what competitors already do well.

Buyer: marketing teams, agencies, and lead-generation site owners · Wedge: monitor mail submissions, notification delivery, spam, and CRM handoffs
Proof Blocked card complete lead capture reliability Evidence linked to opportunity
This plugin works fantastically with Maileroo API or SMTP.

Competitor Context

16 shown
Flamingo weak incumbent · intel 85.5 · weakness 59.3
weak incumbent
2 unresolved support thread(s) 28 collected complaint signal(s) security bugs 2 source links Proof Blocked Evidence linked to opportunity
Buyer: marketing teams, agencies, and lead-generation site owners · Wedge: monitor mail submissions, notification delivery, spam, and CRM handoffs
source 1 source 2
WP-EMail praise owner · intel 81.6 · weakness 68.9
praise owner
stale update history 18 collected complaint signal(s) bugs support 2 source links Proof Blocked Evidence linked to opportunity
Buyer: marketing teams, agencies, and lead-generation site owners · Wedge: monitor mail submissions, notification delivery, spam, and CRM handoffs
source 1 source 2
Mailgun for WordPress weak incumbent · intel 80.8 · weakness 56.5
weak incumbent
below-average rating 18 collected complaint signal(s) support bugs 2 source links Proof Blocked Evidence linked to opportunity
Buyer: marketing teams, agencies, and lead-generation site owners · Wedge: monitor mail submissions, notification delivery, spam, and CRM handoffs
source 1 source 2
reCAPTCHA for MW WP Form weak incumbent · intel 80.1 · weakness 66.8
weak incumbent
stale update history 11 collected complaint signal(s) security bugs 2 source links Proof Blocked Evidence linked to opportunity
Buyer: marketing teams, agencies, and lead-generation site owners · Wedge: monitor mail submissions, notification delivery, spam, and CRM handoffs
source 1 source 2
Kadence WooCommerce Email Designer weak incumbent · intel 79.2 · weakness 56.8
weak incumbent
2 unresolved support thread(s) 13 collected complaint signal(s) compatibility bugs 2 source links Proof Blocked Evidence linked to opportunity
Buyer: marketing teams, agencies, and lead-generation site owners · Wedge: monitor mail submissions, notification delivery, spam, and CRM handoffs
source 1 source 2
Gmail SMTP praise owner · intel 79.0 · weakness 54.9
praise owner
2 unresolved support thread(s) 10 collected complaint signal(s) bugs compatibility 2 source links Proof Blocked Evidence linked to opportunity
Buyer: marketing teams, agencies, and lead-generation site owners · Wedge: monitor mail submissions, notification delivery, spam, and CRM handoffs
source 1 source 2
Mail Subscribe List praise owner · intel 78.5 · weakness 67.1
praise owner
stale update history 24 collected complaint signal(s) missing feature compatibility 2 source links Proof Blocked Evidence linked to opportunity
Buyer: marketing teams, agencies, and lead-generation site owners · Wedge: monitor mail submissions, notification delivery, spam, and CRM handoffs
source 1 source 2

Repeated Themes

0 shown

No repeated plugin-level themes have been generated yet.

Collected Signals

6 shown from 6 collected
complaint PHP Fatal error support · 2025-11-01T15:05:14+00:00 · high severity · mail

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

Evidence: PHP Fatal error Hello I wanted to attach files to woocommerce order email.
bugs compatibility missing feature support lead capture reliability Proof Blocked card complete Evidence linked to opportunity
Buyer: marketing teams, agencies, and lead-generation site owners · Wedge: monitor mail submissions, notification delivery, spam, and CRM handoffs
source plugin
praise Maileroo and this pluging – fantastic! (5 stars) review · 2025-10-28T15:29:59+00:00 · medium severity · mail

Maileroo and this pluging – fantastic!: users praise easy, reliable, quality, which suggests what competitors already do well.

Evidence: This plugin works fantastically with Maileroo API or SMTP.
easy reliable quality form lead capture reliability Proof Blocked card complete Evidence linked to opportunity
Buyer: marketing teams, agencies, and lead-generation site owners · Wedge: monitor mail submissions, notification delivery, spam, and CRM handoffs
source plugin
praise Simple SMTP plugin that works perfectly with Maileroo! (5 stars) review · 2025-10-17T08:43:37+00:00 · high severity · mail

Simple SMTP plugin that works perfectly with Maileroo!: users show security, missing feature, setup pain that may indicate a product gap.

Evidence: Simple SMTP plugin that works perfectly with Maileroo!
security missing feature setup easy lead capture reliability Proof Blocked card complete Evidence linked to opportunity
Buyer: marketing teams, agencies, and lead-generation site owners · Wedge: monitor mail submissions, notification delivery, spam, and CRM handoffs
source plugin
complaint Please add tags support · 2024-12-18T07:36:41+00:00 · medium severity · mail

Please add tags: users show missing feature, support pain that may indicate a product gap.

Evidence: Please add tags Hi, Please add a tags field to the settings page (and send the together with each mail of course :)).
missing feature support easy performance lead capture reliability Proof Blocked card complete Evidence linked to opportunity
Buyer: marketing teams, agencies, and lead-generation site owners · Wedge: monitor mail submissions, notification delivery, spam, and CRM handoffs
source plugin
praise Easy and quick setup! (5 stars) review · 2024-12-18T07:30:01+00:00 · medium severity · mail

Easy and quick setup!: users show missing feature, setup pain that may indicate a product gap.

Evidence: Easy and quick setup!
missing feature setup easy performance lead capture reliability Proof Blocked card complete Evidence linked to opportunity
Buyer: marketing teams, agencies, and lead-generation site owners · Wedge: monitor mail submissions, notification delivery, spam, and CRM handoffs
source plugin
praise Simple, no fluff (5 stars) review · 2024-11-29T07:40:45+00:00 · medium severity · mail

Simple, no fluff: users show missing feature, setup pain that may indicate a product gap.

Evidence: Simple, no fluff Enter API key/SMTP settings, set senders details and test connection.
missing feature setup easy api lead capture reliability Proof Blocked card complete Evidence linked to opportunity
Buyer: marketing teams, agencies, and lead-generation site owners · Wedge: monitor mail submissions, notification delivery, spam, and CRM handoffs
source plugin