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TrackWP

Post SMTP · Security record

Is Post SMTP safe?

No known vulnerability affects the current version (4.0.2). 37 issues were found in earlier versions and fixed, the latest disclosed on Aug 26, 2026.

Checked 5 days ago against the WPVulnerability database, for version 4.0.2.

How it’s looked after

Last release
Sep 24, 2026 (1 month ago)
Releases in the last year
13
Tested up to
WordPress 7.1.4
Support resolved
11 of 14 threads in two months
Active installs
300K+

37 known vulnerabilities

  • 2 critical
  • 11 high
  • 16 medium
  • 8 not rated

None affects the current version.

Disclosed each year

  • 20212
  • 20222
  • 20239
  • 20248
  • 20258
  • 20266

Every known vulnerability in Post SMTP

Newest first, with any that affect the current version at the top.

Questions about Post SMTP’s security

Is Post SMTP safe to use?

No known vulnerability affects its current version. Earlier versions had issues that are now fixed, so keep Post SMTP updated: most attacks target sites that haven’t updated.

Does Post SMTP have known security vulnerabilities?

None that affect the current version. WPVulnerability’s database lists 37 older issues, fixed in earlier versions, so keep Post SMTP up to date.

Is Post SMTP still maintained?

Yes. Its last release was 1 month ago. Its authors resolved 11 of the 14 support threads opened in the last two months.

Is Post SMTP compatible with the latest WordPress?

Yes. It’s tested up to WordPress 7.1.4, the current version.

Hear about the next one first

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Vulnerability data from WPVulnerability (CC0), which gathers records from CVE, Wordfence, Patchstack and WPScan. A clean record isn’t a guarantee: keep every plugin updated.