import asyncio
import logging
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText

import aiogmailsender

async def arun():
    sender = await aiogmailsender.create([('<gmailusername1>', '<gamilpassword1>'),
                                          ('<gmailusername2>', '<gamilpassword2>')],
                                         rate_limit=60, # How many emails sender sends within a minute
                                         pool_size=2, # How many clients are kept in pool
                                         retry=5, # How many times sender retries to send a message, when sending fails
                                         backoff=30, # How long sender sleep before retry (unit. seconds)
                                         backoff_limit=300 # Max backoff (everytime sender retries, the backoff time increases exponentially and the time can't be over this limit.)
                                         )

    tasks = []
    for i in range(10):
        message = MIMEMultipart('alternative')
        message["From"] = 'test'
        message["To"] = '<targetemail>'
        message["Subject"] = f'test {i}'

        part = MIMEText('test', 'html')
        message.attach(part)
        tasks.append(sender.send(message))

    await asyncio.gather(*tasks)


if __name__ == '__main__':
    logging.basicConfig(format="%(asctime)s %(levelname)s:%(name)s:%(message)s", level=logging.DEBUG)
    asyncio.run(arun())