A client sent me some videos to look at to my normal web email, (not a gmail), so we were slowed down by him having to accept that email, actually, I just sent him one of my Gmails, but can one get on board with Google Drive with a non Gmail email? Thanks
Sending large attachments by email is bad practice. As you've found out, it slows down your email receptions, and fills the e-mail server quotum (risking that you cannot receive new emails until the large files are removed).
It's much better to use one of several dedicated file exchange services, many have a (limited) free amount of storage that can be used without having to pay a dime. As always though, TANSTAAFL, so make sure to use a respected service if confidentiality is required, or otherwise wrap the file in a password encrypted archive (e.g. ZIP). I think that (currently) e.g. DropBox is less inquisitive than Google about the content of videos or images that are stored on their servers, but it never hurts to be prepared for what might change in the future.
If these large file exchanges happen a lot, setting up an exchange via FTP might be worth the trouble (allows to restrict access by white-listing specific URLs or using password protected directories), or you could use
this free Windows utility (FileDirect by O&O Software) to directly send a file from one's disk storage to someone else via a download link that can be mailed or WhatsApp-ed. The receiving party doesn't have to install anything, just use the link that's generated by the sending party. the sending party obviously needs to keep the computer running during the time of transfer, because there's no cloud storage in between. Size of transfer is only limited by either browser-limitations or available disk-space.
Cheers,
Bart