I have Gmail connected to the project - info@bfivisa.uk

As soon as odoo reads the received letter (fetch), it automatically sends the next letter in response
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Dear Sender,

The message below could not be accepted by the address info@bfivisa.uk. Please try again later or contact Bug Free Immigration instead.

Kind Regards

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What's wrong?
Letters arrive successfully

I have already tried all the instructions and the forum article. Nothing helps.

And the most interesting thing is that this auto-reply does not come to all letters, but somehow selectively