Compare commits

..

16 Commits

Author SHA1 Message Date
missytake
a0a1dd65a6 release v1.6.0 2025-04-11 12:21:53 +02:00
missytake
046552061e tests: maximum diff between timezones is 27h, +24h 2025-04-11 00:44:08 +02:00
missytake
1fba4a3cdf tests: check whether opendkim restarted in the last 48 hours 2025-04-11 00:44:08 +02:00
missytake
44ff6da5d2 DNS: add 9.9.9.9 to resolv.conf if unbound isn't there yet 2025-04-10 19:32:01 +02:00
holger krekel
71160b8f65 fix timezone handling such that client/server do not need to have the same 2025-04-10 17:55:16 +02:00
holger krekel
9f74d0a608 cleanly time out trying to connect to port 25 and treat failure as "skip" not real failure. 2025-04-10 17:09:20 +02:00
missytake
c9078d7c92 doc: add changelog 2025-04-10 15:12:49 +02:00
Mark Felder
aa4259477f Postfix master.cf: use 127.0.0.1 for consistency 2025-04-10 15:12:49 +02:00
missytake
21f9885ffe unbound: check that 53 is not occupied by a different process 2025-04-10 15:12:31 +02:00
missytake
f9e885c442 doc: add changelog 2025-04-10 15:12:31 +02:00
missytake
b45be700a8 cmdeploy: disable nsd so it doesn't block port 53 2025-04-10 15:12:31 +02:00
missytake
9c381e1fbf added changelog 2025-04-09 17:41:38 +02:00
holger krekel
3cc9bc3ceb avoid initial runs to show acmetool not found errors 2025-04-09 17:41:38 +02:00
bjoern
2a89be8209 Merge pull request #549 from chatmail/r10s/conretize-timings
add a hint that deletion may be earlier
2025-04-08 22:59:59 +02:00
B. Petersen
c848b61346 add a hint that deletion may be earlier
there is another mention of times in privacy.md,
however, there the gist is about that things are deleted,
it is fine if that happens earlier there (also it is not excluded).

targets discussion from https://github.com/chatmail/relay/pull/504
2025-04-08 14:57:15 +02:00
link2xt
49787044ff Do not encourage non-random addresses and weak passwords 2025-04-08 11:49:39 +00:00
9 changed files with 91 additions and 85 deletions

View File

@@ -2,6 +2,19 @@
## untagged
## 1.6.0 2025-04-11
- Handle Port-25 connect errors more gracefully (common with VPNs)
([#552](https://github.com/chatmail/relay/pull/552))
- Avoid "acmetool not found" during initial run
([#550](https://github.com/chatmail/relay/pull/550))
- Fix timezone handling such that client/servers do not need to use
same timezone.
([#553](https://github.com/chatmail/relay/pull/553))
- Enforce end-to-end encryption for incoming messages.
New user address mailboxes now get a `enforceE2EEincoming` file
which prohibits incoming cleartext messages from other domains.
@@ -14,6 +27,12 @@
- Enforce end-to-end encryption between local addresses
([#535](https://github.com/chatmail/server/pull/535))
- unbound: check that port 53 is not occupied by a different process
([#537](https://github.com/chatmail/server/pull/537))
- unbound: before unbound is there, use 9.9.9.9 for resolving
([#518](https://github.com/chatmail/relay/pull/518))
- Limit the bind for the HTTPS server on 8443 to 127.0.0.1
([#522](https://github.com/chatmail/server/pull/522))
([#532](https://github.com/chatmail/server/pull/532))
@@ -21,6 +40,9 @@
- Send SNI when connecting to outside servers
([#524](https://github.com/chatmail/server/pull/524))
- postfix master.cf: use 127.0.0.1 for consistency
([#544](https://github.com/chatmail/relay/pull/544))
- Pass through `original_content` instead of `content` in filtermail
([#509](https://github.com/chatmail/server/pull/509))

View File

@@ -11,6 +11,7 @@ from pathlib import Path
from chatmaild.config import Config, read_config
from pyinfra import facts, host
from pyinfra.api import FactBase
from pyinfra.facts.files import File
from pyinfra.facts.systemd import SystemdEnabled
from pyinfra.operations import apt, files, pip, server, systemd
@@ -18,6 +19,21 @@ from pyinfra.operations import apt, files, pip, server, systemd
from .acmetool import deploy_acmetool
class Port(FactBase):
"""
Returns the process occuping a port.
"""
def command(self, port: int) -> str:
return (
"ss -lptn 'src :%d' | awk 'NR>1 {print $6,$7}' | sed 's/users:((\"//;s/\".*//'"
% (port,)
)
def process(self, output: [str]) -> str:
return output[0]
def _build_chatmaild(dist_dir) -> None:
dist_dir = Path(dist_dir).resolve()
if dist_dir.exists():
@@ -230,7 +246,6 @@ def _configure_opendkim(domain: str, dkim_selector: str = "dkim") -> bool:
)
need_restart |= service_file.changed
return need_restart
@@ -577,6 +592,12 @@ def deploy_chatmail(config_path: Path, disable_mail: bool) -> None:
ensure_newline=True,
)
if host.get_fact(Port, port=53) != "unbound":
files.line(
name="Add 9.9.9.9 to resolv.conf",
path="/etc/resolv.conf",
line="nameserver 9.9.9.9",
)
apt.update(name="apt update", cache_time=24 * 3600)
apt.upgrade(name="upgrade apt packages", auto_remove=True)
@@ -588,6 +609,12 @@ def deploy_chatmail(config_path: Path, disable_mail: bool) -> None:
# Run local DNS resolver `unbound`.
# `resolvconf` takes care of setting up /etc/resolv.conf
# to use 127.0.0.1 as the resolver.
from cmdeploy.cmdeploy import Out
process_on_53 = host.get_fact(Port, port=53)
if process_on_53 not in (None, "unbound"):
Out().red(f"Can't install unbound: port 53 is occupied by: {process_on_53}")
exit(1)
apt.packages(
name="Install unbound",
packages=["unbound", "unbound-anchor", "dnsutils"],

View File

@@ -86,15 +86,19 @@ def run_cmd(args, out):
out.red("Please re-run scripts/initenv.sh to update pyinfra to version 3.")
return 1
retcode = out.check_call(cmd, env=env)
if retcode == 0:
out.green("Deploy completed, call `cmdeploy dns` next.")
elif not remote_data["acme_account_url"]:
out.red("Deploy completed but letsencrypt not configured")
out.red("Run 'cmdeploy run' again")
retcode = 0
else:
try:
retcode = out.check_call(cmd, env=env)
if retcode == 0:
out.green("Deploy completed, call `cmdeploy dns` next.")
elif not remote_data["acme_account_url"]:
out.red("Deploy completed but letsencrypt not configured")
out.red("Run 'cmdeploy run' again")
retcode = 0
else:
out.red("Deploy failed")
except subprocess.CalledProcessError:
out.red("Deploy failed")
retcode = 1
return retcode

View File

@@ -77,13 +77,13 @@ scache unix - - y - 1 scache
postlog unix-dgram n - n - 1 postlogd
filter unix - n n - - lmtp
# Local SMTP server for reinjecting outgoing filtered mail.
localhost:{{ config.postfix_reinject_port }} inet n - n - 10 smtpd
127.0.0.1:{{ config.postfix_reinject_port }} inet n - n - 10 smtpd
-o syslog_name=postfix/reinject
-o smtpd_milters=unix:opendkim/opendkim.sock
-o cleanup_service_name=authclean
# Local SMTP server for reinjecting incoming filtered mail
localhost:{{ config.postfix_reinject_port_incoming }} inet n - n - 10 smtpd
127.0.0.1:{{ config.postfix_reinject_port_incoming }} inet n - n - 10 smtpd
-o syslog_name=postfix/reinject_incoming
-o smtpd_milters=unix:opendkim/opendkim.sock

View File

@@ -11,49 +11,10 @@ All functions of this module
"""
import re
import os
import glob
from .rshell import CalledProcessError, shell
def get_acme_account_url():
"""Get the acmetool account URL with fallback methods.
First tries the acmetool command, then falls back to searching the filesystem
if the command fails or returns empty.
"""
# Try the acmetool command first
acme_url = shell("acmetool account-url", fail_ok=True)
if acme_url:
return acme_url
# Fallback: search for URL files in acme accounts directory
try:
acct_base = "/var/lib/acme/accounts/"
# Find Let's Encrypt directory
le_dirs = glob.glob(os.path.join(acct_base, "*letsencrypt*"))
if not le_dirs:
return ""
# Find account directories
for le_dir in le_dirs:
acct_dirs = glob.glob(os.path.join(le_dir, "*"))
for acct_dir in acct_dirs:
url_file = os.path.join(acct_dir, "url")
if os.path.isfile(url_file):
# Read the URL file content
with open(url_file, "r") as f:
url = f.read().strip()
if url:
return url
except Exception:
# Any exception during fallback should be ignored
pass
return ""
def perform_initial_checks(mail_domain):
"""Collecting initial DNS settings."""
assert mail_domain
@@ -65,7 +26,7 @@ def perform_initial_checks(mail_domain):
WWW = query_dns("CNAME", f"www.{mail_domain}")
res = dict(mail_domain=mail_domain, A=A, AAAA=AAAA, MTA_STS=MTA_STS, WWW=WWW)
res["acme_account_url"] = get_acme_account_url()
res["acme_account_url"] = shell("acmetool account-url", fail_ok=True)
res["dkim_entry"], res["web_dkim_entry"] = get_dkim_entry(
mail_domain, dkim_selector="opendkim"
)

View File

@@ -1,10 +1,13 @@
from subprocess import CalledProcessError, check_output
from subprocess import DEVNULL, CalledProcessError, check_output
def shell(command, fail_ok=False):
print(f"$ {command}")
args = dict(shell=True)
if fail_ok:
args["stderr"] = DEVNULL
try:
return check_output(command, shell=True).decode().rstrip()
return check_output(command, **args).decode().rstrip()
except CalledProcessError:
if not fail_ok:
raise

View File

@@ -90,8 +90,13 @@ def test_concurrent_logins_same_account(
def test_no_vrfy(chatmail_config):
domain = chatmail_config.mail_domain
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.connect((chatmail_config.mail_domain, 25))
sock.settimeout(10)
try:
sock.connect((domain, 25))
except socket.timeout:
pytest.skip(f"port 25 not reachable for {domain}")
banner = sock.recv(1024)
print(banner)
sock.send(b"VRFY wrongaddress@%s\r\n" % (chatmail_config.mail_domain.encode(),))

View File

@@ -55,11 +55,12 @@ class TestSSHExecutor:
def test_opendkim_restarted(self, sshexec):
"""check that opendkim is not running for longer than a day."""
out = sshexec(call=remote.rshell.shell, kwargs=dict(command="systemctl status opendkim"))
assert type(out) == str
since_date_str = out.split("since ")[1].split(";")[0]
since_date = datetime.datetime.strptime(since_date_str, "%a %Y-%m-%d %H:%M:%S %Z")
assert (datetime.datetime.now() - since_date).total_seconds() < 60 * 60 * 24
cmd = "systemctl show opendkim --timestamp=utc --property=ActiveEnterTimestamp"
out = sshexec(call=remote.rshell.shell, kwargs=dict(command=cmd))
datestring = out.split("=")[1]
since_date = datetime.datetime.strptime(datestring, "%a %Y-%m-%d %H:%M:%S %Z")
now = datetime.datetime.now(since_date.tzinfo)
assert (now - since_date).total_seconds() < 60 * 60 * 51
def test_remote(remote, imap_or_smtp):
@@ -118,7 +119,12 @@ def test_authenticated_from(cmsetup, maildata):
def test_reject_missing_dkim(cmsetup, maildata, from_addr):
recipient = cmsetup.gen_users(1)[0]
msg = maildata("encrypted.eml", from_addr=from_addr, to_addr=recipient.addr).as_string()
with smtplib.SMTP(cmsetup.maildomain, 25) as s:
try:
conn = smtplib.SMTP(cmsetup.maildomain, 25, timeout=10)
except TimeoutError:
pytest.skip(f"port 25 not reachable for {cmsetup.maildomain}")
with conn as s:
with pytest.raises(smtplib.SMTPDataError, match="No valid DKIM signature"):
s.sendmail(from_addr=from_addr, to_addrs=recipient.addr, msg=msg)

View File

@@ -6,29 +6,6 @@ interoperable e-mail service for everyone. What's behind a `chatmail` is
effectively a normal e-mail address just like any other but optimized
for the usage in chats, especially DeltaChat.
### Choosing a chatmail address instead of using a random one
In the Delta Chat account setup you may tap `Create a profile` then `Use other server` and choose `Classic e-mail login`. Here fill the two fields like this:
- `E-Mail Address`: invent a word with
{% if username_min_length == username_max_length %}
*exactly* {{ username_min_length }}
{% else %}
{{ username_min_length}}
{% if username_max_length == "more" %}
or more
{% else %}
to {{ username_max_length }}
{% endif %}
{% endif %}
characters
and append `@{{config.mail_domain}}` to it.
- `Existing Password`: invent at least {{ password_min_length }} characters.
If the e-mail address is not yet taken, you'll get that account.
The first login sets your password.
### Rate and storage limits
@@ -38,10 +15,11 @@ The first login sets your password.
- You may send up to {{ config.max_user_send_per_minute }} messages per minute.
- Messages are unconditionally removed {{ config.delete_mails_after }} days after arriving on the server.
- You can store up to [{{ config.max_mailbox_size }} messages on the server](https://delta.chat/en/help#what-happens-if-i-turn-on-delete-old-messages-from-server).
- Messages are unconditionally removed latest {{ config.delete_mails_after }} days after arriving on the server.
Earlier, if storage may exceed otherwise.
### <a name="account-deletion"></a> Account deletion