There are currently 1252 questions on SO tagged gmail. There were 7 questions tagged google-mail asked this year, some of which were already tagged gmail as well. I already took the liberty of retagging those to gmail, but I think that google-mail should be a synonym for gmail.
put on hold as off-topic by Shadow Wizard, bmike, Martijn Pieters, 3ventic, lostsock 18 hours ago
This question appears to be off-topic. The users who voted to close gave this specific reason: