Yes it is, but other providers like microsoft and apple are even worse. When I moved my email server to a new IP a few months ago, while gmail sent my email to

Yes it is, but other providers like microsoft and apple are even worse. When I moved my email server to a new IP a few months ago, while gmail sent my email to spam, live and icloud straight up blocked them. I did notice the rate limiting by gmail, it seems to be a relatively recent thing.