My web app using JMS to send mail via GMAIL as my SMTP server. I need to send out email to every people in my group (20 – 50 people), does GMAIL allow to send this many email in short amount of time? And if so, can I get around with either sending one email with multiple addesses or sending multiple email with one address.
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Think about this:
If you send one email, the mail server does the work sending a copy to each recipient.
If you send 20 emails, your code does all the work, sending 20 copies over the network to the email server.
You may want to use
bcc:for the recipients if you don’t want every recipient to see the address of every other.