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Comparison

Mailu vs Reddit

Mailu and Reddit both land on Depends.

Mailu

mailu.io

Depends
Confidence: Medium

Mailu is a solid free choice only for hands-on self-hosters with Docker and DNS skills who accept deliverability battles and patching duties.

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Mailu versus Reddit
CompareMailuReddit
VerdictDependsDepends
Best forDocker-savvy self-hostersNiche community discussion
Who it's not forBusinesses needing guaranteed email uptime and deliverabilityB2B validation . reviewers say G2 analysis is 10x better
PrivacyActively maintained with published advisories, but a critical CVSS 9.8 CVE hit recent versions in 2026.⁸Two known breaches (2018, 2023) and a removed warrant canary; no security page found.14
Support qualityNo support evidence in sources1.2/5 Trustpilot; account-access complaints
Public sentimentReddit users mostly compare Mailu against Mailcow and Stalwart, report rough setup experiences, and some migrate away.⁴Users value Reddit's candid communities but rate the company itself poorly and remain angry about 2023 API pricing.13
Biggest gotchaSelf-hosted mail often lands in spam; expect ongoing deliverability battles⁷2023 API repricing killed apps like Apollo overnight . paid API costs can spike unpredictably16

Pick Mailu when

  • Docker-savvy self-hosters
  • Privacy-focused individuals
  • Homelab tinkerers
  • Small orgs wanting full mail control

When Mailu is not a fit

  • Businesses needing guaranteed email uptime and deliverability
  • Non-technical teams wanting email that just works
  • Anyone without server admin and DNS skills
  • Orgs requiring vendor SLAs or compliance support

Pick Reddit when

  • Niche community discussion
  • Candid product research
  • Consumer and dev-tool marketing
  • Free audience insight gathering

When Reddit is not a fit

  • B2B validation . reviewers say G2 analysis is 10x better
  • Teams needing support SLAs or accountable vendor
  • Regulated industries with sensitive data
  • Anyone depending on stable API pricing

Sources

  1. Mailu . official sitemailu.io
    official
  2. Mailu on GitHubgithub.com
    official
  3. Mailu managed hosting . Elest.ioelest.io
    official
  4. Struggling to get Mailu running . Redditreddit.com
    review
  5. Migrating from Mailu to Mailcow . Redditreddit.com
    review
  6. Mailcow / Mailu / Stalwart experiences . Redditreddit.com
    review
  7. Self-hosting email in 2026 . Redditreddit.com
    review
  8. CVE-2026-85751 . Rapid7rapid7.com
    security
  9. CVE-2026-85751 . Strixstrix.ai
    security
  10. Mailu security advisories . GitHubgithub.com
    security
  11. Mailu . LFX Crowdfundingcrowdfunding.linuxfoundation.org
    official
  12. Mailu alternatives . AlternativeToalternativeto.net
    review
  13. Reddit is rated "Bad" with 1.2 / 5 on Trustpilottrustpilot.com
    review
  14. Reddit discloses security breach that exposed source code and internal docssecurityaffairs.com
    security
  15. Reddit hack shows even strong security measures can be bypassedcnbc.com
    security
  16. Reddit Users Are Planning 48-Hour Blackout Over New Pricing Policybusinessinsider.com
    news