Unusable security is not security.
Mail Importer for Gmail will import your emails on a POP3/IMAP-server in closed network to Gmail via Gmail API and HTTP-proxy, and puts UNREAD/INBOX labels on emails. It supports HTTP_PROXY/HTTPS_PROXY.
- Package install
pip install --upgrade google-api-python-client google-auth-httplib2 google-auth-oauthlib-
Turn on the Gmail API and move Credentials file to your working directory and rename it
client_secret.json -
To start the gmail-importer3, run the following command:
export HTTP_PROXY='http://proxy.example.com:20066'
export HTTPS_PROXY=$HTTP_PROXY
export MAIL_SERVER='your.mail.server.example.com'
export MAIL_USER='[email protected]'
export MAIL_PASS='password'
# IMAP
export MAIL_PROTOCOL=IMAP
python3 gi3.py -l gmail_imported_label --move
# POP3
export MAIL_PROTOCOL=POP3
python3 gi3.py -l gmail_imported_label --delete
pip install --upgrade google-api-python-client google-auth-httplib2 google-auth-oauthlib
pip install --upgrade pyinstaller
pyinstaller --clean --onefile --log-level=WARN gi3.py
$ python3 gi3.py -h
usage: gi3.py [-h] [--auth_host_name AUTH_HOST_NAME]
[--noauth_local_webserver]
[--auth_host_port [AUTH_HOST_PORT [AUTH_HOST_PORT ...]]]
[--logging_level {DEBUG,INFO,WARNING,ERROR,CRITICAL}] [-l LABEL]
[--mail_server MAIL_SERVER] [--mail_port MAIL_PORT]
[--mail_proto {POP3,IMAP}] [--mail_user MAIL_USER]
[--mail_pass MAIL_PASS] [--imap_src_mbox IMAP_SRC_MBOX]
[--imap_dst_mbox IMAP_DST_MBOX] [--move] [--delete] [--tls]
[-i INTERVAL] [-f] [--nocache] [-v] [-q] [-d]
Mail Importer for Gmail will import your emails on a POP3/IMAP-server to Gmail
via Gmail API and HTTP-proxy, and puts UNREAD/INBOX labels on emails. It
supports HTTP_PROXY/HTTPS_PROXY.
optional arguments:
-h, --help show this help message and exit
--auth_host_name AUTH_HOST_NAME
Hostname when running a local web server.
--noauth_local_webserver
Do not run a local web server.
--auth_host_port [AUTH_HOST_PORT [AUTH_HOST_PORT ...]]
Port web server should listen on.
--logging_level {DEBUG,INFO,WARNING,ERROR,CRITICAL}
Set the logging level of detail.
-l LABEL, --label LABEL
--mail_server MAIL_SERVER
--mail_port MAIL_PORT
--mail_proto {POP3,IMAP}
--mail_user MAIL_USER
--mail_pass MAIL_PASS
--imap_src_mbox IMAP_SRC_MBOX
--imap_dst_mbox IMAP_DST_MBOX
destination imap mailbox
--move Move imported messages into the destination mailbox
--delete Delete imported messages
--tls Enable TLS/SSL for POP3/IMAP protocol
-i INTERVAL, --interval INTERVAL
Wait interval seconds between import process. Type
Ctrl+c if you want stop program.
-f, --force Ignore the exception and continue the import process,
if used with the -i option.
--nocache Ignore seen flag cache.
-v, --verbose Make the operation more talkative
-q, --quiet Quiet mode
-d, --debug Enable debug message.
- https://docs.python.org/ja/3.8/library/imaplib.html
- https://yuji.wordpress.com/2011/06/22/python-imaplib-imap-example-with-gmail/
- https://codeday.me/jp/qa/20190122/179684.html
- https://qiita.com/stkdev/items/a44976fb81ae90a66381
- https://www.programcreek.com/python/example/2875/imaplib.IMAP4_SSL
- https://stackoverflow.com/questions/3527933/move-an-email-in-gmail-with-python-and-imaplib
- https://qiita.com/renny1398/items/bcfd57c15cfb7c63326b
import imaplib, email, email.policy
SERVER="your.mail.server.com"
USER="username"
PASS="password"
DST_MAILBOX = "_imported"
# login
M = imaplib.IMAP4(SERVER)
M.login(USER, PASS)
# list mailboxs
typ, data = M.list()
for d in data:
print(d.decode('utf-8'))
# count and get emails in INBOX
## select mailbox
M.select('INBOX')
## get UIDs of emails
typ, data = M.uid('search', None, "ALL")
uids = data[0].split()
if typ == "OK":
print("IMAP server has {} messages: {}".format(len(uids)))
print("UIDS: {}".format(uids))
else:
print("failed to open INBOX")
## get emails in INBOX and move to DST_MAILBOX using UID
for uid in uids:
# get email bytes: IMAP FETCH Command's data item "RFC822" is same to POP3 RETR command
# see RFC3501 sec 6.4.5 data item "RFC822" https://tools.ietf.org/html/rfc3501#section-6.4.5
typ, data = M.uid('fetch', uid, '(RFC822)')
msg_raw_bytes = data[0][1]
# parse email message bytes
msg = email.message_from_bytes(msg_raw_bytes, policy=email.policy.SMTPUTF8)
subject = msg['subject']
print('Message {}: {}'.format(str(uid), subject))
# copy the email to mailbox DST_MAILBOX
typ, data = M.uid('COPY', uid, DST_MAILBOX)
print(typ, data)
# set deleted flag to the email in INBOX
typ, data = M.uid('STORE', uid , '+FLAGS', '(\Deleted)')
print(typ, data)
# delete the email in INBOX
typ, data = M.expunge()
print(typ, data)
## fetch some data items
uid = uids[0]
typ, data = M.uid('fetch', uid, '(UID RFC822 BODY[TEXT])')
rfc822 = data[0][1]
body = data[1][1]
print(data[0][0]) # -> (UID #### RFC822 {XXXXX}
print(data[1][0]) # -> BODY[TEXT] {XXXX}
print(data[2][0]) # -> )
print(rfc822)
print(body)
# close mailbox and logout
M.close()
M.logout()import poplib, email, email.policy
SERVER="your.mail.server.com"
USER="username"
PASS="password"
# login
M = poplib.POP3(SERVER)
M.set_debuglevel(1)
M.user(USER)
M.pass_(PASS)
print(M.getwelcome())
# count email
numMessages = M.stat()[0]
print("POP3 server has {} messages: {}".format(numMessages))
# get email subjects
for i in range(numMessages, 0, -1):
# get the email UID
uid = M.uidl(i).split()[2]
# get email bytes using POP3 RETR Command
msg_raw_bytes = b'\r\n'.join(M.retr(i)[1])
# parse email message bytes
msg = email.message_from_bytes(msg_raw_bytes, policy=email.policy.SMTPUTF8)
subject = msg['subject']
print('Message {}: {}'.format(str(uid), subject))
# set deleted flag to the email
M.dele(i)
# quit POP3 session and purge deleted emails
r = M.quit()
print(r)import gi3, logging
gi3.logger = logging.getLogger("test")
MIMAP = gi3.login_imap("your.mail.server.com", "username", "password", is_debug=True)
MPOP3 = gi3.login_pop3("your.mail.server.com", "username", "password", is_debug=True)