When using an email client like Gmail, for example, there’s a limit on the number of emails that you’re allowed to send in a day. It’s 500 emails/day for a regular Gmail account, and for a G Suite account, it’s 2,000 emails/day. But as an email marketer, you might want to send more than 2,000 emails on any given day, and such sending The Gmail API enforces the standard daily mail sending limits (these limits differ for paying G Suite users vs free gmail.com users). These limits are per-user and are shared by all of the user's clients, whether API clients, native/web clients or SMTP MSA. If these limits are exceeded a HTTP 429 Too Many Requests "User-rate limit exceeded Usually these providers have free plans available that are comparable to the daily sending limits of Gmail. Gmail has a limit of 500 recipients a day (a message with one To and one Cc address counts as two messages since it has two recipients) for @gmail.com addresses and 2000 for Google Apps customers, larger SMTP providers usually offer about The Gmail API allows you to upload file data when creating or updating a draft or when inserting or sending a message. Upload options. The Gmail API allows you to upload certain types of binary data, or media. The specific characteristics of the data you can upload are specified on the reference page for any method that supports media uploads: I believe with internationalized e-mail addresses, it would be more correct to define the limit as 254 octets, not characters.But I'm not sure. RFC 6531 extends the RFC 5321 reverse- and forward-path to allow UTF-8 characters, but RFC 5321 specifically says the limit is "256 octets", including separators (a deliberate change from RFC 2821 which said "characters"). JkC7n.

gmail limit send email