# Can't use 'none' DISCOURSE\_SMTP\_AUTHENTICATION

**URL:** <https://meta.discourse.org/t/cant-use-none-discourse-smtp-authentication/55833>\
**Category:** Product Support\
**Created:** [January 16, 2017, 12:46pm UTC](https://meta.discourse.org/t/cant-use-none-discourse-smtp-authentication/55833 "2017-01-16T12:46:07Z")\
**Posts on this page:** 1\
**Showing post:** 14

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**Author:** ![homebrewhops](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/homebrewhops/32/32984_2.png) [@homebrewhops](https://meta.discourse.org/u/homebrewhops)\
**Post date:** [January 26, 2017, 6:54pm UTC](https://meta.discourse.org/t/cant-use-none-discourse-smtp-authentication/55833/14 "2017-01-26T18:54:27Z")

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Thank you @anthony-o!!

The key was: _(all other non displayed DISCOURSE\_SMTP\_ parameter were commented)_\*

```
DISCOURSE_SMTP_ADDRESS: my.smtp.server.tld
DISCOURSE_SMTP_PORT: 25
DISCOURSE_SMTP_AUTHENTICATION: none
DISCOURSE_SMTP_OPENSSL_VERIFY_MODE: none

```

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_[View the full topic](https://meta.discourse.org/t/cant-use-none-discourse-smtp-authentication/55833)._