mirror of
https://github.com/usmannasir/cyberpanel.git
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3e8750ab58
- Resizable folder sidebar with persisted width; nested folder tree with expand/collapse - Message search: scope all folders or single folder; listMessages honors UID filter - Drag-and-drop messages onto folders to move (multi-select supported) - SnappyMail import paths, folder settings store, wm DB migration and SQL install - IMAP quoted mailbox, IPv4 SMTP relay, compose recipient handling - Modal new/delete folder flows; dash-free UI copy; folder pills in search results
91 lines
3.6 KiB
Python
91 lines
3.6 KiB
Python
import smtplib
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import ssl
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class SMTPClient:
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"""Wrapper around smtplib.SMTP for sending mail via Postfix.
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Supports two modes:
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1. Authenticated (port 587 + STARTTLS) for standalone login sessions.
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2. Local relay (port 25, no auth) for SSO sessions using master user.
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Postfix accepts relay from localhost (permit_mynetworks in main.cf)
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"""
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def __init__(self, email_address, password, host='localhost', port=587,
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use_local_relay=False):
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self.email_address = email_address
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self.password = password
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# Postfix on AlmaLinux/CyberPanel often sets mynetworks=127.0.0.0/8 only.
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# Python resolves "localhost" to ::1 first → SMTP is not treated as mynetworks
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# → 554 Relay access denied. Force IPv4 loopback for predictable relay.
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self.host = self._smtp_host_ipv4_loopback(host)
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self.port = port
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self.use_local_relay = use_local_relay
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@staticmethod
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def _smtp_host_ipv4_loopback(host):
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if not host:
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return '127.0.0.1'
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h = str(host).strip().lower()
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if h in ('localhost', '::1', '[::1]'):
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return '127.0.0.1'
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return host
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def send_message(self, mime_message):
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"""Send a composed email via SMTP.
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Returns:
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dict: {success: bool, message_id: str or None, error: str or None}
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"""
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try:
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# Bind outbound socket to IPv4 so Postfix sees 127.0.0.1 (mynetworks), not ::1.
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src = ('127.0.0.1', 0)
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if self.use_local_relay:
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# SSO mode: send via port 25 without auth
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# Postfix permits relay from localhost (permit_mynetworks)
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smtp = smtplib.SMTP(self.host, 25, source_address=src)
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smtp.ehlo()
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smtp.send_message(mime_message)
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smtp.quit()
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else:
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# Standalone mode: authenticated via port 587 + STARTTLS
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ctx = ssl.create_default_context()
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ctx.check_hostname = False
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ctx.verify_mode = ssl.CERT_NONE
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smtp = smtplib.SMTP(self.host, self.port, source_address=src)
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smtp.ehlo()
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smtp.starttls(context=ctx)
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smtp.ehlo()
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smtp.login(self.email_address, self.password)
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smtp.send_message(mime_message)
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smtp.quit()
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message_id = mime_message.get('Message-ID', '')
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return {'success': True, 'message_id': message_id}
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except smtplib.SMTPAuthenticationError as e:
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return {'success': False, 'message_id': None, 'error': 'Authentication failed: %s' % str(e)}
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except smtplib.SMTPRecipientsRefused as e:
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return {'success': False, 'message_id': None, 'error': 'Recipients refused: %s' % str(e)}
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except Exception as e:
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return {'success': False, 'message_id': None, 'error': str(e)}
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def save_to_sent(self, imap_client, raw_message):
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"""Append sent message to the Sent folder via IMAP.
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CyberPanel's Dovecot uses INBOX.Sent as the Sent folder.
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"""
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# Try CyberPanel's actual folder name first, then fallbacks
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sent_folders = ['INBOX.Sent', 'Sent', 'Sent Messages', 'Sent Items']
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for folder in sent_folders:
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try:
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if imap_client.append_message(folder, raw_message, '\\Seen'):
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return True
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except Exception:
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continue
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try:
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imap_client.create_folder('INBOX.Sent')
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return imap_client.append_message('INBOX.Sent', raw_message, '\\Seen')
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except Exception:
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return False
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