No. 24 of 25 ·Email Forwarding Services

SMTP Zen Email Forwarding

Name: SMTP Zen Email Forwarding
Price: 1.2 USD

Web · Android · iPhone · paid plans from $1.20/mo

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Freedom report

One barScore 4.8

Free tierNo free tier on record
Open codeNo open-source code on record
Runs widely3 of 6 device platforms
DocumentedThinly documented

SMTP Zen Email Forwarding is ranked #24 of 25 in email forwarding services on Freedom251. It runs on Android, iOS, Web. There is no free plan. A free trial is offered. Paid plans start at $1.20/mo.

SMTP Zen Email Forwarding plans and pricing

All plans

Roll your own $1.20/mo 1 mailbox · 1 email forwarder/alias · 2GB base disk quota · unlimited domains and bandwidth · fully customizable smtpzen.com · 7 Oct 2026

Starter SMTP $2.99/mo 5 mailboxes · 10 email forwarders/aliases · 5GB base disk quota · unlimited domains and bandwidth smtpzen.com · 7 Oct 2026

Freelancer SMTP $5.99/mo 10 mailboxes · 10 email forwarders/aliases · 10GB base disk quota · unlimited domains and bandwidth smtpzen.com · 7 Oct 2026

Pro SMTP $11.99/mo 20 mailboxes · 10 email forwarders/aliases · 20GB base disk quota · unlimited domains and bandwidth smtpzen.com · 7 Oct 2026

Compared on email forwarding services

Free plan: No
Paid from: $1.20/mo
Custom domain: Yes
Alias limit: 10
Catch-all forwarding: Yes
Outbound or reply mail: Yes
Delivery logs: Yes

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The record

Service: The forwarding service routes messages for custom domain addresses to inboxes you already use, without a separate mailbox for each address.
Routing: It supports named forwarding addresses and catch-all rules, with forwarding rules managed across multiple domains.
Mailbox distinction: Forwarding handles inbound routing and does not provide an inbox or authenticated outbound SMTP; a hosted mailbox is needed to send as the custom domain.
Setup: Setup consists of adding a domain, following the displayed DNS instructions, creating forwarding rules, and testing receipt.
Email authentication: The email hosting plans state that SPF, DKIM, and DMARC are enforced, and the service describes TLS-encrypted connections.
Email clients: SMTP Zen documents setup for iOS and Android mail apps and lists SMTP, IMAP, and POP connection settings.
Developer connections: The maker provides SMTP examples for Node.js, Python, PHP, Ruby, and Go, using port 465 with implicit TLS or port 587 with STARTTLS.
Included webmail: SMTP Zen says its hosted mailbox service includes Crossbox webmail with unified inboxes, search, keyboard shortcuts, calendar, and contacts.
Trial: Most plans include a 2-day free trial, while custom plans may be excluded.
Sending limit: The site says most accounts can send about 400 outbound emails per mailbox per hour, including aliases.
Use restrictions: SMTP Zen says it is not for cold outreach or mass marketing blasts and disallows sending to scraped, rented, or purchased lists.
Intended users: The maker identifies developers sending app emails, small teams, freelancers managing client domains, and domain investors as intended users.
Price from: $1.20/mo

Where it ranks on Freedom251

Best Email Forwarding Services in 2026#24 of 25

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Sources

smtpzen.com/email-forwarding-service· checked 7 Oct 2026
smtpzen.com/email-hosting· checked 7 Oct 2026
docs.smtpzen.com/developers/smtp-imap-settings· checked 7 Oct 2026
docs.smtpzen.com/developers/backend-smtp-examples· checked 7 Oct 2026
smtpzen.com· checked 7 Oct 2026