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Market around Postern

Self-hostable email infrastructure for humans and AI agents on Cloudflare. Provides sending, receiving, searchable storage, webmail, IMAP, mailbox APIs, and an MCP server for agent access.

Visit demo.posternonline.com ↗Pricing page ↗

Explore the market

Prices and medians update for the tier you select.

Compare at
postern · Pro
No Pro plan
—
Pro-MCP server median
$20
across 10 priced MCP servers
vs Pro MCP servers
No comparison
postern doesn't sell Pro
ⓘ Comparisons are same provider type (MCP server) and same buyer tier (Pro). Never across tiers.
Market density
79th pctile
499 competing vendors
Comparable listings · 30d
—
MCP servers · Pro median
$20/mo
10 priced · $16.25–$38 mid 50%
Price spectrum · Pro plans · 9 of 17 providers priced · log scale · $1.67 → $99/mo
MCP servers◻ shaded = middle 50% · line = median (all types)postern has no comparable Pro price — not plotted

Products in this market

Ranked by how closely each one matches postern's job. Prices show each provider's Pro state; entry prices are labelled as such. Unpriced products still belong to the market.

MMCP servers44Ranked by similarity
Posternthis listing
● MCP
no public price
IMAP Agent Gateway
● MCP88% similar
no public price
Submail
● MCP88% similar
no public price
Mail
● MCP86% similar
$1.67/mo Pro
-92% vs Pro median
primitive.dev
● MCP85% similar
no Pro plan
entry $13/mo
Agentbox
● MCP85% similar
no public price
Agent Mail Gateway
● MCP85% similar
no public price
Mailcow MCP
● MCP85% similar
no public price
Inboxapi
● MCP84% similar
no public price
Email SMTP/IMAP MCP
● MCP83% similar
no public price
Universal Email MCP
● MCP83% similar
no public price
Mepmail
● MCP83% similar
$29/mo Pro
+45% vs Pro median
Pidgely
● MCP83% similar
no public price
JH
JHJ-email-mcp
● MCP82% similar
no public price
Send16
● MCP82% similar
$99/mo Pro
+395% vs Pro median
MAAC Go Email
● MCP82% similar
$26/mo Pro
+30% vs Pro median
Postlet
● MCP82% similar
no public price
Multi-Mail MCP
● MCP81% similar
no public price
Stalwart Mail MCP
● MCP81% similar
no public price
xmail
● MCP80% similar
no public price
AgentTrust
● MCP80% similar
no Pro plan
entry $9/mo
Titan Mail MCP
● MCP80% similar
no public price
AgentMail MCP Server
● MCP80% similar
no public price
Botline
● MCP80% similar
no Pro plan
entry $9/mo
Postmaster MCP
● MCP80% similar
no public price
Postfleet
● MCP80% similar
$20/mo Pro
0% vs Pro median
Deskmail Ai
● MCP80% similar
no public price
Mailyond
● MCP80% similar
$20/mo Pro
0% vs Pro median
Mcpeemails Self Host
● MCP80% similar
$15/mo Pro
-25% vs Pro median
MacroMail
● MCP80% similar
no public price
Postkeep
● MCP79% similar
no public price
Thunderbird Mail MCP
● MCP79% similar
no public price
Mektup
● MCP79% similar
no Pro plan
entry $20/mo
Postfleet MCP
● MCP79% similar
no public price
Atomicmail
● MCP79% similar
no public price
Yaakovscher Agent Cold Email
● MCP79% similar
$49/mo Pro
+145% vs Pro median
Signal
● MCP79% similar
no public price
em[ai]l
● MCP78% similar
$10/mo Pro
-50% vs Pro median
Z37 Agent Inbox
● MCP78% similar
no public price
Sendmux Email Inbox API + Sending
● MCP78% similar
$7 usage Pro
not monthly-comparable
Nova Inbox Agent
● MCP78% similar
no public price
Email Management MCP
● MCP78% similar
no public price
Selfhost Remote Mail MCP
● MCP78% similar
no public price
Your Mail MCP
● MCP78% similar
no public price
OOther2Ranked by similarity
Fluxmail Cloud
● OTHER87% similar
no public price
Aimx
● OTHER84% similar
no public price
AAPIs3Ranked by similarity
Mailows
● API86% similar
no Pro plan
entry $1/mo
Sendcore
● API84% similar
no Pro plan
entry $19/mo
Nornweave
● API78% similar
no public price
PPlatforms1Ranked by similarity
Openagent Email
● PLATFORM80% similar
$30.00 one-time Pro
not monthly-comparable

Market = the products most similar to this one by capability; prices are median / quartiles over its priced members, separated by provider type and buyer tier.