Duobox MentionAgent

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Duobox:

About

Duobox is hosted business email for small teams that want to use addresses on their own domain. It provides personal and shared inboxes such as sales@, support@ and billing@, with shared message history and access for multiple team members. Users can connect a domain they already own or register one through Duobox, then create inboxes, aliases and forwarding rules. The service includes up to 10 inboxes of 50 GB each per person and supports additional domains. Teams can access mail in a web browser or configure a phone's mail app. Duobox also offers an MCP connection for clients such as ChatGPT, Claude and Cursor, using OAuth and configurable permissions to read mail, save drafts, send messages, or manage the team, plan and inboxes. A free tier includes one person, one inbox, one domain and 10 GB; additional people cost $2 per month each.
MentionAgent:

About

MentionAgent automates link-building outreach for SEO agencies, in-house marketers, and founders. Add your website and keywords. It finds relevant blog posts and resource pages, scores prospects by Ahrefs Domain Rating, finds the authors' email addresses, and writes a personalized pitch for each post. It sends outreach from a separate sending domain and a dedicated Gmail inbox that it sets up and warms, keeping your own domain out of the outreach process. Replies go to one inbox, where you can draft responses proposing the exact page and sentence for a link. MentionAgent tracks promised links and checks them nightly. Agencies can manage each client site with its own inbox. Plans start at $99/month, with higher tiers for multiple inboxes and client sites; each additional client site costs $99/month. MentionAgent also works with Claude, Cursor, and other MCP clients.
Duobox:

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
MentionAgent:

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
Duobox:

Audience

Small companies and teams that want email on their own domain, with shared inboxes like sales@ and support@, and teams that want their AI agent to work in that inbox.
MentionAgent:

Audience

SEO and marketing agencies, in-house marketers, and founders who build links.
Duobox:

Support

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

Support

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

API

Offers API Supported
MentionAgent:

API

Offers API Supported
Duobox:

Screenshots and Videos

No images available
MentionAgent:

Screenshots and Videos

No images available
Duobox:

Pricing

$2/person/month
Free for one person, one inbox, one domain and 10 GB, with no card required. Paid access is $2 per added person per month in US dollars, with no contract; each person can have up to 10 inboxes of 50 GB each. The first domain is included; each additional domain costs $5 per month for hosting, and domain registration is charged separately by the registrar.
Free Version Supported
Free Trial Not Supported
MentionAgent:

Pricing

$99/month
Plans are $99/month for one sending inbox and one client site, $179/month for two inboxes, $329/month for four inboxes and up to two sites, and $629/month for eight inboxes and up to four sites. Additional inboxes cost $80/month, and each additional client site costs $99/month.
Free Version Not Supported
Free Trial Supported
Duobox:

Reviews/Ratings

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

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Review this Software
MentionAgent:

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
Duobox:

Training

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

Training

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

Company Information

Duobox
Founded: 2026
Argentina
duobox.io/en
MentionAgent:

Company Information

MentionAgent
Founded: 2026
Netherlands
mentionagent.ai
Duobox:

Alternatives

No Alternatives
MentionAgent:

Alternatives

MentionAgent:
MentionAgent:
MentionAgent:
Duobox:
MentionAgent:
emailcampaign.ai

emailcampaign.ai

Email Campaign LLC
Duobox:

Categories

Email Hosting Supported
MentionAgent:

Categories

Blogger Outreach Supported
SEO Supported
Duobox:

Integrations

Cursor Supported
Model Context Protocol (MCP) Supported
ChatGPT Supported
Claude Not Supported
Claude Code Supported
Claude Duet Not Supported
Claude for Legal Not Supported
MentionAgent:

Integrations

Cursor Supported
Model Context Protocol (MCP) Supported
ChatGPT Not Supported
Claude Supported
Claude Code Not Supported
Claude Duet Supported
Claude for Legal Supported
Duobox:
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Claim Duobox and update features and information
MentionAgent:
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