Partially Downloaded Email?

I’ve noticed lately that small email messages are only partially downloaded in Apple Mail. I’ll see a banner at the top saying “This message is only partially downloaded.” And then a link “Download remaining 0.2 KB”. I’m thinking the entire email message is no more than 1 KB, what is going on here?

This problem has been around for at least 10 years. It will appear to be “fixed” by an update and then apparently is reintroduced by another patch or upgrade later . It doesn’t seem to be limited to any specific email provider.


I’ve been seeing that recently and also the issue that it’s taking a very long time for mail to download from my gmail account (something Spark and Outlook aren’t struggling with).

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