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Emails with attachment delayed to Gmail

Posted: Mon Nov 02, 2020 10:09 am
by kandalf
I have a strange problem, all my emails are sent corrrectly, but if they have an attachment and are sent to a gmail account the emails are delivered with a huge delay (from 2 to 24h).

I have used one service to test my email and I get 10/10.
Any tips to solve this?