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I create rails app deployed on Heroku.
also, exception_notification gem enabled.
when it is on development setup ActionMailer to Gmail,
everything is fine and sends a notification from Gmail address.
but when it comes to production environment on Heroku,
I get following error when server trying to send a email.
ActionView::Template::Error (code converter not found (UTF-8 to UTF-16))
Could anyone tell me what’s happening here?
The issue was raised on the main repository (see here), but so far was not addressed.
You might want to take a look at this fork to the exception_notification gem, specifically this commit which tries to deal with the problem:
https://github.com/alanjds/exception_notification/commit/048fc6be972189e62ca3b9453d19233ec5773016
To use this fork I pointed the gem to it, like so:
Gemfile:
This solved the issue for me.