Email Templates Not Rendering - HTML Code Displayed in Sent Emails (v9.2.5)

[Segelwolf]

Hello,
I'm experiencing a critical issue with email templates in EspoCRM 9.2.5 that makes them completely unusable for production.
The Pr...

[Segelwolf]

These ports are not blocked. And the StarLink router is configured to pass through to a MikroTik router that does the work

[Segelwolf]

If that is true, so why does Thunderbird work perfectly via StarLink, so does all-inkl webmail.

[Segelwolf]

Environment:

• EspoCRM Version: 9.2.5 (upgraded from 9.1.8)
• Server: all-inkl.de shared hosting (Premium plan with SSH)

Problem Description:
...

[Segelwolf]

Das war beim Providerwechsel zu all-inkl mit einem temporären Zugang in der Testphase.
Ich habe aber mittlerweile mit Paket upgegraded, was mit...

[Segelwolf]

Als Einzelkämpfer hab ich mit manchen Sachen Probleme.
Ich habe EspoCRM V 9.1.8 installiert. Jetzt möchte ich zum ersten Mal auf 9.2.5 upgraden....

[Segelwolf]

1. PW is 20 digits and contains only Letters and numbers
2. Of course I also tried the name instead of the Email address - same result
3....

[Segelwolf]

as I said, the login data and ports work fine with webmail and thunderbird. It is only EspoCEM that makes SMTP problems (by the way: IMAP works fine in...

[Segelwolf]

[2025-11-23 09:50:16] ERROR: (535) Email sending error: Failed to authenticate on SMTP server with username "wolf@segelwolf.com" using the following...

[Segelwolf]

The whole thing is bloody useless without the possibility to send Emails.

[Segelwolf]

tried your suggestion: did not work, still error 500, credentials not valid

[Segelwolf]

Login doesn't work either, always getting wrong password/username: Still: both pw and user are exactly the same as for webmail and thunderbird.

[Segelwolf]

I cannot send a testmail, getting a 500 error. The error msg above is from the logfile

[Segelwolf]

IMAP Testmail ok, SMTP Testmail error 535 as quoted

[Segelwolf]

Hi everyone,
I'm experiencing an SMTP authentication issue with EspoCRM 9.1.8 (self-hosted on ALL-INKL.com server) and would appreciate your help....