I think in your case, using smtp.google.com the limit is 100: see here. Email recipients per day 100* / day for Consumer (e.g., gmail.com) and G Suite free edition. I do not see any limits for timing. I updated the link to directly refer to the list of relevant parameters, I hope that helps to clarify the question.
Mailgun supports the ability send to a group of recipients through a single API call or SMTP session. This is achieved by either: Using Batch Sending by specifying multiple recipient email addresses as to parameters and using Recipient Variables. Using Mailing Lists with Template Variables.
Gmail file size limits: Sending large video files via Gmail must be a maximum size of 25 MB in total. Yahoo mail file size limits: Send up to 25 MB of video via email with Yahoo mail. Zoho mail file size limits: Send large video files up to 20 MB in total with Zoho mail.
Mailmeteor allows you to send personalized emails up to the limits imposed by Gmail: Google Workspace accounts (formerly G Suite) can send up to 2000 emails per day; Gmail accounts (@gmail.com) can send up to 500 emails per day; Mailmeteor abides by these limits and allows you to send as many emails as you can using your own Gmail account.
The free trial has a 500 emails per day sending limit using app script according to sites as oppose to consumer gmail accounts which can only send 100 emails per day. What I did is make a simple script just to check if it could send 150 emails to make sure it is still within bound. ex.
However, I can use a third party client to send without issue, after I change the upper limit in the settings, settings which aren't available to change in the default email client. Honestly it feels kind of like a subtle push to force people to use gmail to send large files, in the hopes they'll just switch altogether.
aqf3.
gmail limit send email