SMTP E-Mail not working

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1

Hello Guys,

I just installed a new bitwarden server for the fifth time but I can’t find my mistake. After Installation of the OS and the bitwarden service, I can’t get the E-Mail Section to work. I always get the error “An unhandled server error has occurred.” after trying to send the verification E-Mail to my account, when I’m in the WebUI. Here are my Settings:

globalSettings__mail__replyToEmail=XXX@gmx de
globalSettings__mail__smtp__host=mail gmx net
globalSettings__mail__smtp__port=587
globalSettings__mail__smtp__ssl=false
globalSettings__mail__smtp__username=XXX@gmx de
globalSettings__mail__smtp__password=XXX
globalSettings__disableUserRegistration=false
globalSettings__hibpApiKey=REPLACE

I also tried Google and Microsoft as a provider but I still get the same error. I am 100% sure I used the right settings for each provider and after that I saved these settings, stopped the service and executed the command “bitwarden.sh rebuild” before starting it again. I’m losing my mind because I really want to use the E-Mail Feature but can’t find my mistake here. Here some informations about the environment. And no I don’t want to reinstall the OS again

OS: Linux Ubuntu Server 24.04.1 LTS
BW Version: Version 2024.12.1
Docker Version: 27.4.1

(Some dots are missing and are replaced with spaceses because it recognizeses the text as links and your only allowed to have 2 Links as a new User)

2

I’m a retard. GMX has deactivated the use of applications as standard. Didn’t try MS or Google again. I’m just tired…

3

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5

Here’s what to check:

  1. SMTP Host: Double-check the host and port (for GMX: mail.gmx.net, port 587 without SSL).
  2. SSL/TLS: Set ssl=true for providers like Google/Microsoft.
  3. Rebuild: Run bitwarden.sh rebuild after saving settings.
  4. Firewall: Make sure no firewall is blocking SMTP ports.
  5. Logs: Check Bitwarden logs for more details.

For SMTP, You can try:

  • Sendinblue – Easy to use.
  • SMTPmart – Reliable and scalable.
  • SMTPget – Cost-effective for high-volume.
  • Google SMTP – Simple and free for small setups.

Hope this helps!