CloseAlert InboxStack

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CloseAlert:

About

Our advanced integrations will help you identify customers, campaign names, and or other customer data straight from your esp or MA platform. Over 50% of the emails you send are opened on a smartphone. Our feedback form is displayed perfectly on any device. Discover the root cause why emails perform the way they do. Or learn how you can turn a passive into a promotor. We categorise incoming feedback messages by email name and other type of filters. Make more informed decisions, solve technical issues quickly, and see differences in the email experience on desktops, tablets and smartphones. CloseAlert automatically analyzes the text of your incoming messages for often-used keywords or phrases. Get to the bottom of your customer’s needs quickly. Don’t ask for information you already have. Analyze and filter results based on existing customer data.
InboxStack:

About

InboxStack is an email deliverability intelligence platform built around Brain, a proprietary causal AI engine that identifies why emails miss the inbox — not just that they did. Most deliverability tools stop at monitoring: they show a drop in inbox placement or a blocklist hit and leave you to investigate. InboxStack goes further, correlating signals from your ESP, DNS authentication records (SPF, DKIM, DMARC), Google Postmaster Tools, Microsoft SNDS, and 50+ blocklists through a causal knowledge graph built on a 22-year deliverability knowledge base — tracing the actual root cause, whether it's a DKIM misalignment, IP reputation dip, or content trigger. Onboarding starts with forwarding your email headers for an instant DNS/auth audit, no migration required. Teams that want ongoing monitoring can connect their ESP and Postmaster accounts, with optional seed testing for real inbox-vs-spam placement data. Built especially for digital agencies and ESP's.
CloseAlert:

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported
InboxStack:

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported
CloseAlert:

Audience

Campaign feedback software for marketers
InboxStack:

Audience

Any comapny who sends emails or manages email campaigns
CloseAlert:

Support

Phone Support Supported
24/7 Live Support Not Supported
Online Supported
InboxStack:

Support

Phone Support Supported
24/7 Live Support Not Supported
Online Supported
CloseAlert:

API

Offers API Not Supported
InboxStack:

API

Offers API Not Supported
CloseAlert:

Screenshots and Videos

InboxStack:

Screenshots and Videos

No images available
CloseAlert:

Pricing

No information available.
Free Version Not Supported
Free Trial Not Supported
InboxStack:

Pricing

$49/month
Free Version Not Supported
Free Trial Supported
CloseAlert:

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software
InboxStack:

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software
CloseAlert:

Training

Documentation Not Supported
Webinars Not Supported
Live Online Supported
In Person Not Supported
InboxStack:

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Supported
CloseAlert:

Company Information

CloseAlert
Founded: 2011
Netherlands
www.closealert.com
InboxStack:

Company Information

InboxStack
Founded: 2025
India
inboxstack.com
CloseAlert:

Alternatives

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Alternatives

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4.5 out of 5 stars
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E-Warmup

5.0 out of 5 stars
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InboxStack:
CloseAlert:

Categories

InboxStack:

Categories

CloseAlert:

Integrations

CanopyDeploy Supported
Copernica Supported
Emarsys Supported
Gmail Not Supported
Mailchimp Supported
Marigold Engage Supported
Microsoft Outlook Not Supported
Salesforce Supported
Tripolis Supported
Webpower Supported
Yahoo! Mail Not Supported
InboxStack:

Integrations

CanopyDeploy Not Supported
Copernica Not Supported
Emarsys Not Supported
Gmail Supported
Mailchimp Not Supported
Marigold Engage Not Supported
Microsoft Outlook Supported
Salesforce Not Supported
Tripolis Not Supported
Webpower Not Supported
Yahoo! Mail Supported
CloseAlert:
Claim CloseAlert and update features and information
Claim CloseAlert and update features and information
InboxStack:
Claim InboxStack and update features and information
Claim InboxStack and update features and information