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a929614f IB |
1 | { lib, pkgs, config, myconfig, ... }: |
2 | let | |
3 | sieve_bin = pkgs.runCommand "sieve_bin" { | |
4 | buildInputs = [ pkgs.makeWrapper ]; | |
5 | } '' | |
6 | cp -a ${./sieve_bin} $out | |
7 | chmod -R u+w $out | |
8 | patchShebangs $out | |
9 | for i in $out/*; do | |
10 | wrapProgram "$i" --prefix PATH : ${lib.makeBinPath [ pkgs.coreutils ]} | |
11 | done | |
12 | ''; | |
13 | in | |
14 | { | |
8415083e | 15 | config = lib.mkIf config.myServices.mail.enable { |
d2e703c5 | 16 | services.duplyBackup.profiles.mail.excludeFile = '' |
8415083e IB |
17 | + /var/lib/dhparams |
18 | + /var/lib/dovecot | |
19 | ''; | |
20 | secrets.keys = [ | |
21 | { | |
22 | dest = "dovecot/ldap"; | |
23 | user = config.services.dovecot2.user; | |
24 | group = config.services.dovecot2.group; | |
25 | permissions = "0400"; | |
26 | text = '' | |
27 | hosts = ${myconfig.env.mail.dovecot.ldap.host} | |
28 | tls = yes | |
a929614f | 29 | |
8415083e IB |
30 | dn = ${myconfig.env.mail.dovecot.ldap.dn} |
31 | dnpass = ${myconfig.env.mail.dovecot.ldap.password} | |
a929614f | 32 | |
8415083e | 33 | auth_bind = yes |
a929614f | 34 | |
8415083e | 35 | ldap_version = 3 |
a929614f | 36 | |
8415083e IB |
37 | base = ${myconfig.env.mail.dovecot.ldap.base} |
38 | scope = subtree | |
a929614f | 39 | |
8415083e IB |
40 | user_filter = ${myconfig.env.mail.dovecot.ldap.filter} |
41 | pass_filter = ${myconfig.env.mail.dovecot.ldap.filter} | |
a929614f | 42 | |
8415083e IB |
43 | user_attrs = ${myconfig.env.mail.dovecot.ldap.user_attrs} |
44 | pass_attrs = ${myconfig.env.mail.dovecot.ldap.pass_attrs} | |
45 | ''; | |
46 | } | |
a929614f | 47 | ]; |
8415083e IB |
48 | |
49 | users.users.vhost = { | |
50 | group = "vhost"; | |
51 | uid = config.ids.uids.vhost; | |
52 | }; | |
53 | users.groups.vhost.gid = config.ids.gids.vhost; | |
54 | ||
55 | # https://blog.zeninc.net/index.php?post/2018/04/01/Un-annuaire-pour-les-gouverner-tous....... | |
56 | services.dovecot2 = { | |
57 | enable = true; | |
58 | enablePAM = false; | |
59 | enablePop3 = true; | |
60 | enableImap = true; | |
61 | enableLmtp = true; | |
62 | protocols = [ "sieve" ]; | |
63 | modules = [ | |
64 | pkgs.dovecot_pigeonhole | |
65 | pkgs.dovecot_fts-xapian | |
66 | ]; | |
67 | mailUser = "vhost"; | |
68 | mailGroup = "vhost"; | |
69 | createMailUser = false; | |
70 | mailboxes = [ | |
71 | { name = "Trash"; auto = "subscribe"; specialUse = "Trash"; } | |
72 | { name = "Junk"; auto = "subscribe"; specialUse = "Junk"; } | |
73 | { name = "Sent"; auto = "subscribe"; specialUse = "Sent"; } | |
74 | { name = "Drafts"; auto = "subscribe"; specialUse = "Drafts"; } | |
75 | ]; | |
76 | mailLocation = "mbox:~/Mail:INBOX=~/Mail/Inbox:INDEX=~/.imap"; | |
77 | sslServerCert = "/var/lib/acme/mail/fullchain.pem"; | |
78 | sslServerKey = "/var/lib/acme/mail/key.pem"; | |
79 | sslCACert = "/var/lib/acme/mail/fullchain.pem"; | |
80 | extraConfig = builtins.concatStringsSep "\n" [ | |
81 | '' | |
82 | postmaster_address = postmaster@immae.eu | |
83 | mail_attribute_dict = file:%h/dovecot-attributes | |
84 | imap_idle_notify_interval = 20 mins | |
85 | namespace inbox { | |
86 | type = private | |
87 | separator = / | |
88 | inbox = yes | |
89 | list = yes | |
90 | } | |
91 | '' | |
92 | ||
93 | # Full text search | |
94 | '' | |
95 | # needs to be bigger than any mailbox size | |
96 | default_vsz_limit = 2GB | |
97 | mail_plugins = $mail_plugins fts fts_xapian | |
98 | plugin { | |
99 | plugin = fts fts_xapian | |
100 | fts = xapian | |
101 | fts_xapian = partial=2 full=20 | |
102 | fts_autoindex = yes | |
103 | fts_autoindex_exclude = \Junk | |
104 | fts_autoindex_exclude2 = \Trash | |
105 | fts_autoindex_exclude3 = Virtual/* | |
106 | } | |
107 | '' | |
108 | ||
109 | # Antispam | |
110 | # https://docs.iredmail.org/dovecot.imapsieve.html | |
111 | '' | |
112 | # imap_sieve plugin added below | |
113 | ||
a929614f | 114 | plugin { |
8415083e IB |
115 | sieve_plugins = sieve_imapsieve sieve_extprograms |
116 | imapsieve_url = sieve://127.0.0.1:4190 | |
117 | ||
118 | # From elsewhere to Junk folder | |
119 | imapsieve_mailbox1_name = Junk | |
120 | imapsieve_mailbox1_causes = COPY APPEND | |
121 | imapsieve_mailbox1_before = file:${./sieve_scripts}/report_spam.sieve;bindir=/var/lib/vhost/.imapsieve_bin | |
122 | ||
123 | # From Junk folder to elsewhere | |
124 | imapsieve_mailbox2_name = * | |
125 | imapsieve_mailbox2_from = Junk | |
126 | imapsieve_mailbox2_causes = COPY | |
127 | imapsieve_mailbox2_before = file:${./sieve_scripts}/report_ham.sieve;bindir=/var/lib/vhost/.imapsieve_bin | |
128 | ||
129 | sieve_pipe_bin_dir = ${sieve_bin} | |
130 | ||
131 | sieve_global_extensions = +vnd.dovecot.pipe +vnd.dovecot.environment | |
a929614f | 132 | } |
8415083e IB |
133 | '' |
134 | # Services to listen | |
135 | '' | |
136 | service imap-login { | |
137 | inet_listener imap { | |
138 | } | |
139 | inet_listener imaps { | |
140 | } | |
a929614f | 141 | } |
8415083e IB |
142 | service pop3-login { |
143 | inet_listener pop3 { | |
144 | } | |
145 | inet_listener pop3s { | |
146 | } | |
a929614f | 147 | } |
8415083e | 148 | service imap { |
a929614f | 149 | } |
8415083e | 150 | service pop3 { |
a929614f | 151 | } |
8415083e IB |
152 | service auth { |
153 | unix_listener auth-userdb { | |
154 | } | |
155 | unix_listener ${config.services.postfix.config.queue_directory}/private/auth { | |
156 | mode = 0666 | |
157 | } | |
a929614f | 158 | } |
8415083e | 159 | service auth-worker { |
a929614f | 160 | } |
8415083e IB |
161 | service dict { |
162 | unix_listener dict { | |
163 | } | |
a929614f | 164 | } |
8415083e IB |
165 | service stats { |
166 | unix_listener stats-reader { | |
167 | user = vhost | |
168 | group = vhost | |
169 | mode = 0660 | |
170 | } | |
171 | unix_listener stats-writer { | |
172 | user = vhost | |
173 | group = vhost | |
174 | mode = 0660 | |
175 | } | |
a929614f | 176 | } |
8415083e IB |
177 | '' |
178 | ||
179 | # Authentification | |
180 | '' | |
181 | first_valid_uid = ${toString config.ids.uids.vhost} | |
182 | disable_plaintext_auth = yes | |
183 | passdb { | |
184 | driver = ldap | |
185 | args = ${config.secrets.fullPaths."dovecot/ldap"} | |
186 | } | |
187 | userdb { | |
188 | driver = static | |
189 | args = user=%u uid=vhost gid=vhost home=/var/lib/vhost/%d/%n/ mail=mbox:~/Mail:INBOX=~/Mail/Inbox:INDEX=~/.imap | |
190 | } | |
191 | '' | |
a929614f | 192 | |
8415083e IB |
193 | # Zlib |
194 | '' | |
195 | mail_plugins = $mail_plugins zlib | |
196 | plugin { | |
197 | zlib_save_level = 6 | |
198 | zlib_save = gz | |
199 | } | |
200 | '' | |
a929614f | 201 | |
8415083e IB |
202 | # Sieve |
203 | '' | |
204 | plugin { | |
205 | sieve = file:~/sieve;bindir=~/.sieve-bin;active=~/.dovecot.sieve | |
206 | } | |
207 | service managesieve-login { | |
208 | } | |
209 | service managesieve { | |
210 | } | |
211 | '' | |
212 | ||
213 | # Virtual mailboxes | |
214 | '' | |
215 | mail_plugins = $mail_plugins virtual | |
216 | namespace Virtual { | |
217 | prefix = Virtual/ | |
218 | location = virtual:~/Virtual | |
219 | } | |
220 | '' | |
a929614f | 221 | |
8415083e IB |
222 | # Protocol specific configuration |
223 | # Needs to come last if there are mail_plugins entries | |
224 | '' | |
225 | protocol imap { | |
226 | mail_plugins = $mail_plugins imap_sieve | |
227 | } | |
228 | protocol lda { | |
229 | mail_plugins = $mail_plugins sieve | |
230 | } | |
231 | '' | |
232 | ]; | |
233 | }; | |
234 | networking.firewall.allowedTCPPorts = [ 110 143 993 995 4190 ]; | |
235 | system.activationScripts.dovecot = { | |
236 | deps = [ "users" ]; | |
237 | text ='' | |
238 | install -m 0755 -o vhost -g vhost -d /var/lib/vhost | |
239 | ''; | |
240 | }; | |
241 | ||
242 | security.acme.certs."mail" = { | |
243 | postRun = '' | |
244 | systemctl restart dovecot2.service | |
245 | ''; | |
246 | extraDomains = { | |
247 | "imap.immae.eu" = null; | |
248 | "pop3.immae.eu" = null; | |
249 | }; | |
a929614f IB |
250 | }; |
251 | }; | |
252 | } | |
253 |