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validate_email

Validate_email verify if an email address is valid and really exists.

SkipPyPI InternetReleased Mar 2015704.7K downloads / moLGPLSource build

Decision gist · record as of 2026-08-14

sdist only — validate_email-1.3.tar.gz · builds from source
v1.3 · released 2015-03-23

No. The package is abandoned (last release 2015-03-23, no maintenance since 2022-12-12) and does not reflect modern email infrastructure. SMTP verification is unreliable against current anti-spam measures, and Python compatibility is unspecified. For new projects, use a maintained alternative. For existing code, consider migration to an actively maintained email validation library.AI-flagged interpretation of the facts on this page — verify before relying

Before you install

  • An optional external DNS package is required to enable MX record checking and email verification; basic format validation works without it.
  • High install friction due to the source distribution format.
  • Package is abandoned—last release was 2015-03-23, over a decade ago, with no commits since 2022-12-12.

License · maintenance · safety

LGPL (copyleft) — Licensed under LGPL (copyleft), which requires that derivative works and modifications remain under the same license. Redistribution is permitted but comes with copyleft obligations.

last release 2015-03-23 (4162 days) · last repo commit 2022-12-12 · 591 stars

0 known vulnerabilities (OSV.dev, 2026-08-14) · 704,687 downloads/mo, #5,275 on PyPI

Verify before relying

pip install validate_email

from validate_email import validate_email
is_valid = validate_email('example@example.com')
is_valid = validate_email('example@example.com', verify=True)
  • Whether the package works reliably with modern Python versions and current email infrastructure standards.
  • Current state of SMTP verification reliability given changes in email server configurations and anti-spam measures since 2015.
  • Whether optional DNS dependencies are still maintained and compatible with current systems.
Same gist for agents: .md · .json

What it is and what it does

Validate_email checks whether an email address is properly formatted and can verify that it actually exists. It offers three levels of validation: basic format checking, MX record verification to confirm the domain has mail servers, and full SMTP verification to test whether the email address is accepted by the mail server. Optional external dependencies enable DNS lookups and SMTP checks; without them, only basic format validation is available.

The package is abandoned and has not been updated since 2015, meaning it does not account for modern email infrastructure changes, anti-spam measures, or Python version evolution. While it maintains moderate download volume, this likely reflects legacy codebases still using it rather than active new adoption. The lack of maintenance poses risks for compatibility and security.

Use it for

  • Basic email format validation in user registration forms when you need only syntax checking.
  • Verifying that a domain has mail servers before attempting to send email to that domain.
  • Testing whether an email address is actively accepted by a mail server during account signup.
  • Batch validation of email lists to filter out obviously invalid addresses before sending campaigns.
  • Legacy application maintenance where the package is already in use and replacement is not feasible.

Worth the install?

AI-flagged interpretation of the facts on this page. Verify before relying on it.

Skip

No.

The package is abandoned (last release 2015-03-23, no maintenance since 2022-12-12) and does not reflect modern email infrastructure. SMTP verification is unreliable against current anti-spam measures, and Python compatibility is unspecified. For new projects, use a maintained alternative. For existing code, consider migration to an actively maintained email validation library.

Install

validate-email on PyPI

Before you install

High install friction due to the source distribution format. Package is abandoned—last release was 2015-03-23, over a decade ago, with no commits since 2022-12-12. No active maintenance or security updates.

An optional external DNS package is required to enable MX record checking and email verification; basic format validation works without it.

License in practice

Licensed under LGPL (copyleft), which requires that derivative works and modifications remain under the same license. Redistribution is permitted but comes with copyleft obligations.

Quickstart

pip install validate_email

from validate_email import validate_email
is_valid = validate_email('example@example.com')
is_valid = validate_email('example@example.com', verify=True)

Verify before relying

  • Whether the package works reliably with modern Python versions and current email infrastructure standards.
  • Current state of SMTP verification reliability given changes in email server configurations and anti-spam measures since 2015.
  • Whether optional DNS dependencies are still maintained and compatible with current systems.

Package facts

LicenseLGPL copyleft
Python supportNot specified
Install frictionHigh. Source build required
Runtime dependenciesNone
MaintenanceAbandoned 4,162 days since the last release
Last repo commit
First released
Downloads704,687 / month, #5,275 on PyPI 30-day window, as of 2026-08-14
Known vulnerabilitiesNone known OSV.dev, checked 2026-08-14

Evidence: validate_email-1.3.tar.gz

Tags

Capabilities
email validationverify email address existscheck mx recordssmtp verificationemail format validationdomain mx lookupemail existence check
Topics
abandonedemail-validationlegacy
PyPI keywords
emailvalidationverificationmxverify

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See also email-validator · pyIsEmail · zerobouncesdk · emval · email-normalize · neverbounce-sdk · mailchecker · secure-smtplib · mailosaur · validators