from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText
from email.mime.application import MIMEApplication
import smtplib
import time
import os
import Web.modules.database.settings as cfg
def _build_smtp_client():
smtp = smtplib.SMTP(
"mail.invario-software.de",
587,
timeout=10,
)
smtp.ehlo()
if True:
smtp.starttls()
smtp.ehlo()
smtp.login("no-reply@invario-software.de", "eSpage,65,{")
return smtp
def _normalize_recipients(email: list | str) -> list[str]:
if isinstance(email, str):
email = email.replace(';', ',').split(',')
return [str(recipient).strip() for recipient in (email or []) if str(recipient).strip()]
def send(
email: list | str,
subject: str,
text_body: str,
html_body: str = None,
attachments: list = None
) -> bool:
"""Sends the email with Plain Text, HTML, and optional File Attachments support."""
if isinstance(email, str):
email = [email]
if attachments is None:
attachments = []
TEXT_SIGNATURE = (
"\n\n--\n"
"Mit freundlichen Grüßen\n"
"Ihr Invario Team\n\n"
"Invario UG\n"
"Am Sportplatz 10\n"
"83052 Bruckmühl"
)
HTML_SIGNATURE = """
|
Mit freundlichen Grüßen,
Ihr Invario Team
Invario UG
Am Sportplatz 10
83052 Bruckmühl
|
"""
text_content = f"{text_body}{TEXT_SIGNATURE}"
if html_body:
html_content = f"{html_body}{HTML_SIGNATURE}
"
else:
# Fallback if only text is provided
html_safe_text = text_body.replace('\n', '
')
html_content = f"{html_safe_text}
{HTML_SIGNATURE}"
mails_per_second = 10
interval = 1.0 / mails_per_second
smtp = None
try:
smtp = _build_smtp_client()
for i, recipient in enumerate(email):
start_time = time.time()
# Root message structure for email with attachments
msg = MIMEMultipart("mixed")
msg["Subject"] = subject
msg["From"] = "Invario Team "
msg["To"] = str(recipient)
# Sub-container for Plain Text and HTML bodies
msg_body = MIMEMultipart("alternative")
msg_body.attach(MIMEText(text_content, "plain"))
msg_body.attach(MIMEText(html_content, "html"))
msg.attach(msg_body)
# Attach files if provided
for file_path in attachments:
if file_path and os.path.isfile(file_path):
filename = os.path.basename(file_path)
with open(file_path, "rb") as file:
part = MIMEApplication(file.read(), Name=filename)
part['Content-Disposition'] = f'attachment; filename="{filename}"'
msg.attach(part)
smtp.sendmail(
from_addr="no-reply@invario-software.de",
to_addrs=[recipient],
msg=msg.as_string()
)
elapsed_time = time.time() - start_time
sleep_time = interval - elapsed_time
if sleep_time > 0 and i < len(email) - 1:
time.sleep(sleep_time)
return True
except Exception as e:
print(f"Debug: Fehler beim Senden der E-Mail: {e}")
return False
finally:
if smtp:
try:
smtp.quit()
except Exception:
pass