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Either Dropbox where he can send you a link to it and you can download or you can send him a file request and he will upload it directly into your own dropbox.
Another alternative would be Bittorent Sync, extremely easy to setup however you both need to have your system running at the same time for it to transfer the file across. My workaround to that problem is setting up Bittorent Sync on my always-on server so files will be transferred from the clients computer to the server and when you turn on your computer, it will download it from the server.
Most Services you pay for will let you share a link (Google drive, dropbox, AWS-S3)
I use S3 more these days, even thought it is a tad more complicated for me, but it lets me have a web link to the content specifically for that content, and easy for me to disable public reading. Storage is cheap. Tiny files go through drop box. Huge files through S3. Lots of big files in Google Drive where I can share the folder.
Sometimes it depends on the customer.
Remote access to their machine keeps my support costs low. Sometimes it is faster to put the file on their machine for them
Well, yesterday I asked the customer to use wetransfer (which was by far the easiest of the proposed methods) this morning the customer came back with a message telling me that he had installed Google Drive.
And yes, probably this is the first time I don't write in the topic line the problem has already been solved, but, now that you say it... done it already.
Step on that rake and might end up with a couple of ache-rs.
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