Poseidon Mailer

Fast, Lightweight, Multi-Purpose Bulk Mailer.
Deliver with Poseidon – Fast & Powerful Mass Mailer

Poseidon Mailer is a SMTP multi-purpose mailer
designed for mailing campaigns
and for security assessments of your email server.

Bulk Email Delivery

Whether you’re managing marketing campaigns, sending newsletters, or distributing important updates,
Poseidon Mailer ensures your emails are delivered promptly.
Experience fast performance, intuitive interface and deliver your mails effortlessly.
Poseidon is designed for efficiency and lightweight operation.

Security Audits

Poseidon Mailer is also a useful tool for testing the security of your own mail server and configuration.
Ensure your email infrastructure is robust,
secure against email spamming, spoofing, and flooding attacks.

Fast Delivery

Easy setup.
Send thousands of emails within minutes.

HTML support

Write and send emails with full html support.

Attachment support

Any file type supported.

Encrypted Emails

Supports TLS/SSL protocols

Compatible with any Windows

from WinXP to Win11, 32/64 bit.
Developed in native Delphi,
no framework/dependencies needed.

Save/Load mail lists

Quickly load thousands of email addresses from text files.
Export mail lists to file and load them anytime.

Event Log

Track delivery times,
view useful info

Tailor it your needs

Compatible with most SMTP servers.
SMTP details are saved for faster usage.

Screenshots

Get Poseidon Mailer

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