I tried Iodine around 3 years ago on a Swiss flight, it worked to read my mails over SSH using Alpine, but was so slow that basically it was unusable. Not sure

I tried Iodine around 3 years ago on a Swiss flight, it worked to read my mails over SSH using Alpine, but was so slow that basically it was unusable. Not sure what was going on, I had the impression that DNS queries were getting throttled after some threshold...