Sending email with attachment thru Python

mail_example.py

# %%
import configparser
import pandas as pd
import smtplib
from socket import gaierror
from email import encoders
from email.mime.base import MIMEBase
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText

config = configparser.ConfigParser()
config.read("config.ini")
mail = config["mail"]

smtp_server = mail["server"]
port        = int(mail["port"])
login       = mail["sender"]
password    = mail["password"]

sender   = login
receiver = login
subject  = "Hello World"
body     = "Testing from Python. Check attachment."

message = MIMEMultipart()
message["From"] = sender
message["To"]   = receiver
message["Subject"] = subject
message.attach(MIMEText(body, "plain"))
filename = config["output"]["path"]

# %%
with open(filename, "rb") as attachment:
    part = MIMEBase("application", "octet-stream")
    part.set_payload(attachment.read())

encoders.encode_base64(part)

part.add_header("Content-Disposition", f"attachment; filename= {filename}")

message.attach(part)
text = message.as_string()

# %%
try:
    with smtplib.SMTP_SSL(smtp_server, port) as server:
        server.login(login, password)
        server.sendmail(sender, receiver, text)
    # feedback something
    print('Sent')

except (gaierror, ConnectionRefusedError):
    print('Failed to connect to the server. Bad connection settings?')

except smtplib.SMTPServerDisconnected:
    print('Failed to connect to the server. Wrong user/password?')

except smtplib.SMTPException as e:
    print('SMTP error occurred: ' + str(e))

# %%