How do I make "vnd.dovecot.environment" available?

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Graham Leggett

24 Sep 2020 24 Sep '20

6:58 p.m.

Hi all,

According to the docs at https://wiki.dovecot.org/Pigeonhole/Sieve, some extensions are not available by default.

The docs tell me the sieve_plugins, sieve_extensions and/or sieve_global_extensions configs are involved, but I can find no authoritative documentation as to what the values should be.

What values must I use to make “vnd.dovecot.environment” available?

Adding "sieve_global_extensions = +vnd.dovecot.environment” to 90-sieve.conf seems to not be enough.

[root@gatekeeper ~]# sievec -D /var/lib/dovecot-sieve/default.sieve sievec(root): Debug: sieve: Pigeonhole version 0.5.8 (b7b03ba2) initializing sievec(root): Debug: sieve: include: sieve_global is not set; it is currently not possible to include :global' scripts. sievec(root): Debug: sieve: file storage: Using Sieve script path: /var/lib/dovecot-sieve/default.sieve sievec(root): Debug: sieve: file script: Opened script default' from /var/lib/dovecot-sieve/default.sieve' default: line 5: error: require command: unknown Sieve capability vnd.dovecot.environment'. default: line 19: error: referring to variable in unknown namespace 'vnd'. default: error: validation failed. sievec(root): Fatal: failed to compile sieve script '/var/lib/dovecot-sieve/default.sieve'

Regards, Graham —

Show replies by date

Sami Ketola

24 Sep 24 Sep

9:45 p.m.

...

On 24. Sep 2020, at 18.58, Graham Leggett minfrin@sharp.fm wrote:

Hi all,

According to the docs at https://wiki.dovecot.org/Pigeonhole/Sieve, some extensions are not available by default.

The docs tell me the sieve_plugins, sieve_extensions and/or sieve_global_extensions configs are involved, but I can find no authoritative documentation as to what the values should be.

What values must I use to make “vnd.dovecot.environment” available?

Adding "sieve_global_extensions = +vnd.dovecot.environment” to 90-sieve.conf seems to not be enough.

[root@gatekeeper ~]# sievec -D /var/lib/dovecot-sieve/default.sieve sievec(root): Debug: sieve: Pigeonhole version 0.5.8 (b7b03ba2) initializing sievec(root): Debug: sieve: include: sieve_global is not set; it is currently not possible to include :global' scripts. sievec(root): Debug: sieve: file storage: Using Sieve script path: /var/lib/dovecot-sieve/default.sieve sievec(root): Debug: sieve: file script: Opened script default' from /var/lib/dovecot-sieve/default.sieve' default: line 5: error: require command: unknown Sieve capability vnd.dovecot.environment'. default: line 19: error: referring to variable in unknown namespace 'vnd'. default: error: validation failed. sievec(root): Fatal: failed to compile sieve script '/var/lib/dovecot-sieve/default.sieve'

can you link your doveconf -n and the sieve script?

Sami

Graham Leggett

10:50 p.m.

On 24 Sep 2020, at 20:45, Sami Ketola sami.ketola@dovecot.fi wrote:

...

can you link your doveconf -n and the sieve script?

The user’s detail are:

[root@gatekeeper ~]# doveadm user minfrin@example.com field value uid vmail gid vmail home /home/vmail/minfrin@example.com/ mail maildir:~/mail mail_auto_reply_mode reply mail_auto_reply_text I am truly away...

The sieve script is:

[root@gatekeeper ~]# cat /var/lib/dovecot-sieve/default.sieve #

require ["fileinto", "mailbox"]; require ["vacation", "variables"]; require ["vnd.dovecot.environment"];

# fileinto: for putting mail into a imap folder # mailbox: for creating imap folder if not exists # if header :contains "X-Spam-Flag" "YES" { # move mail into folder Junk, create folder if not exists fileinto :create "Junk"; stop; }

#if string :matches "${vnd.dovecot.mail_auto_reply_mode}" "reply" { if header :matches "subject" "*" { vacation :subject "AutoReply: ${1}" "${vnd.dovecot.mail_auto_reply_text}"; } #}

The dovecot -n is:

[root@gatekeeper ~]# dovecot -n # 2.3.8 (9df20d2db): /etc/dovecot/dovecot.conf # Pigeonhole version 0.5.8 (b7b03ba2) # OS: Linux 4.18.0-193.19.1.el8_2.x86_64 x86_64 CentOS Linux release 8.2.2004 (Core)
# Hostname: gatekeeper.horizonmarine.co.za first_valid_uid = 201 mail_gid = vmail mail_location = maildir:~/mail mail_plugins = acl mail_uid = vmail managesieve_notify_capability = mailto managesieve_sieve_capability = fileinto reject envelope encoded-character vacation subaddress comparator-i;ascii-numeric relational regex imap4flags copy include variables body enotify environment mailbox date index ihave duplicate mime foreverypart extracttext mbox_write_locks = fcntl namespace { list = children location = maildir:%%h/mail:INDEXPVT=~/shared/%%u prefix = Shared/%%u/ separator = / subscriptions = yes type = shared } namespace inbox { inbox = yes location = mailbox Drafts { special_use = \Drafts } mailbox Junk { special_use = \Junk } mailbox Sent { special_use = \Sent } mailbox "Sent Messages" { special_use = \Sent } mailbox Trash { special_use = \Trash } prefix = separator = / type = private } passdb { args = /etc/dovecot/dovecot-ldap.conf.ext driver = ldap } plugin { sieve = file:~/sieve;active=~/.dovecot.sieve sieve_default = /var/lib/dovecot-sieve/default.sieve sieve_global_extensions = +vnd.dovecot.environment sieve_plugins = sieve_extprograms } protocols = lmtp imap pop3 submission service imap-login { inet_listener imap { address = 127.0.0.1, ::1 } inet_listener imaps { port = 993 ssl = yes } } service imap { vsz_limit = 1 G } service pop3-login { inet_listener pop3 { address = 127.0.0.1, ::1 } inet_listener pop3s { port = 995 ssl = yes } } service submission-login { inet_listener submission { port = 587 } inet_listener submissions { haproxy = no port = 465 reuse_port = no ssl = yes } } ssl = required ssl_cert =

The sieve test is:

sieve-test(root): Debug: sieve: Pigeonhole version 0.5.8 (b7b03ba2) initializing sieve-test(root): Debug: sieve: include: sieve_global is not set; it is currently not possible to include :global' scripts. sieve-test(root): Debug: sieve: Sieve Extprograms plugin for Pigeonhole version 0.5.8 (b7b03ba2) loaded debug: file storage: Using Sieve script path: /var/lib/dovecot-sieve/default.sieve. debug: file script: Opened script default' from `/var/lib/dovecot-sieve/default.sieve'. debug: Script binary /var/lib/dovecot-sieve/default.svbin successfully loaded. debug: binary save: not saving binary /var/lib/dovecot-sieve/default.svbin, because it is already stored.

Performed actions:

send vacation message: => seconds : 604800 => subject : AutoReply: Test1 => handle : ${vnd.dovecot.mail_auto_reply_text}AutoReply: ${1}<default-from><NO-MIME>

START MESSAGE

END MESSAGE

Implicit keep:

store message in folder: INBOX

sieve-test(root): Info: final result: success

The variable “vnd.dovecot.mail_auto_reply_text” is the trouble - it’s not being resolved, and I have no idea what the format of the variable should be.

Regards, Graham —

Sami Ketola

11:07 p.m.

New subject: [EXT] How do I make "vnd.dovecot.environment" available?

...

On 24. Sep 2020, at 22.50, Graham Leggett minfrin@sharp.fm wrote:

On 24 Sep 2020, at 20:45, Sami Ketola mailto:sami.ketola@dovecot.fi> wrote:

...
can you link your doveconf -n and the sieve script?

[root@gatekeeper ~]# cat /var/lib/dovecot-sieve/default.sieve #

require ["fileinto", "mailbox"]; require ["vacation", "variables"]; require ["vnd.dovecot.environment"];

I think this should be

require ["environment"];

instead.

Sami

Graham Leggett

25 Sep 25 Sep

12:33 p.m.

New subject: [EXT] How do I make "vnd.dovecot.environment" available?

On 24 Sep 2020, at 22:07, Sami Ketola sami.ketola@dovecot.fi wrote:

...

I think this should be

require ["environment"];

instead.

I eventually stumbled on a syntax that worked. Putting all of this in one place:

You need to turn on the sieve_extprograms plugin:

sieve_plugins = sieve_extprograms
Then you need to enable vnd.dovecot.environment:

sieve_global_extensions = +vnd.dovecot.environment
Then you need to pull the extra fields you want out of the userdb, and those fields must be prefixed with “sieve_env_”, like this example for LDAP:

user_attrs = mailMessageStore=home=%$,=sieve_env_mail_auto_reply_mode=%{ldap:mailAutoReplyMode},=sieve_env_mail_auto_reply_text=%{ldap:mailAutoReplyText}
Then you need to add a requirement on “vnd.dovecot.environment” to the sieve script.
Then, to access the variables in the sieve script, you need to drop the “sieve_env_” part, and add the prefix “env.vnd.dovecot.config.”. There are various docs floating around that reference the above variable without the leading “env.” - this must be there too.
The resulting sieve looks like this:

require ["fileinto", "mailbox"]; require ["vacation", "variables"]; require ["vnd.dovecot.environment"];

if string :matches "${env.vnd.dovecot.config.mail_auto_reply_mode}" "reply" { if header :matches "subject" "*" { vacation :subject "AutoReply: ${1}" "${env.vnd.dovecot.config.mail_auto_reply_text}"; } }

The output of sieve-test looks like this. The handle is weird, but I’m assuming there is method in the madness somehow:

Performed actions:

send vacation message: => seconds : 604800 => subject : AutoReply: Test1 => handle : ${env.vnd.dovecot.config.mail_auto_reply_text}AutoReply: ${1}<default-from><NO-MIME>

START MESSAGE I am truly away... END MESSAGE

Implicit keep:

store message in folder: INBOX

sieve-test(root): Info: final result: success

Regards, Graham —

Stephan Bosch

8 Oct 8 Oct

10:13 p.m.

New subject: [EXT] How do I make "vnd.dovecot.environment" available?

On 25/09/2020 11:33, Graham Leggett wrote:

...

On 24 Sep 2020, at 22:07, Sami Ketola mailto:sami.ketola@dovecot.fi> wrote:

...
I think this should be

require ["environment"];

instead.

I eventually stumbled on a syntax that worked. Putting all of this in one place:

You need to turn on the sieve_extprograms plugin:

sieve_plugins = sieve_extprograms

This step is not needed for vnd.dovecot.environment. I don't see anything else in your Sieve script that makes this a requirement, so you should be able to remove it.

...

Then you need to enable vnd.dovecot.environment:

sieve_global_extensions = +vnd.dovecot.environment

Then you need to pull the extra fields you want out of the userdb, and those fields must be prefixed with “sieve_env_”, like this example for LDAP:

user_attrs = mailMessageStore=home=%$,=sieve_env_mail_auto_reply_mode=%{ldap:mailAutoReplyMode},=sieve_env_mail_auto_reply_text=%{ldap:mailAutoReplyText}

Then you need to add a requirement on “vnd.dovecot.environment” to the sieve script.

Then, to access the variables in the sieve script, you need to drop the “sieve_env_” part, and add the prefix “env.vnd.dovecot.config.”. There are various docs floating around that reference the above variable without the leading “env.” - this must be there too.

Where are those erroneous docs?

...

The resulting sieve looks like this:

require ["fileinto", "mailbox"]; require ["vacation", "variables"]; require ["vnd.dovecot.environment"];

# fileinto: for putting mail into a imap folder # mailbox: for creating imap folder if not exists # if header :contains "X-Spam-Flag" "YES" { # move mail into folder Junk, create folder if not exists fileinto :create "Junk"; stop; }

if string :matches "${env.vnd.dovecot.config.mail_auto_reply_mode}" "reply" { if header :matches "subject" "*" { vacation :subject "AutoReply: ${1}" "${env.vnd.dovecot.config.mail_auto_reply_text}"; } }

The output of sieve-test looks like this. The handle is weird, but I’m assuming there is method in the madness somehow:

sieve-test(root): Debug: sieve: Pigeonhole version 0.5.8 (b7b03ba2) initializing sieve-test(root): Debug: sieve: include: sieve_global is not set; it is currently not possible to include :global' scripts. sieve-test(root): Debug: sieve: Sieve Extprograms plugin for Pigeonhole version 0.5.8 (b7b03ba2) loaded debug: file storage: Using Sieve script path: /var/lib/dovecot-sieve/default.sieve. debug: file script: Opened script default' from `/var/lib/dovecot-sieve/default.sieve'. debug: Script binary /var/lib/dovecot-sieve/default.svbin successfully loaded. debug: binary save: not saving binary /var/lib/dovecot-sieve/default.svbin, because it is already stored.

Performed actions:

* send vacation message: => seconds : 604800 => subject : AutoReply: Test1 => handle : ${env.vnd.dovecot.config.mail_auto_reply_text}AutoReply: ${1}<default-from><NO-MIME>

START MESSAGE I am truly away... END MESSAGE

Implicit keep:

* store message in folder: INBOX

sieve-test(root): Info: final result: success

The handle is created implicitly and makes sure vacation avoids sending multiple identical responses within the :days (or :seconds) period. If you change the vacation command in the Sieve script, the handle changes, making sure that contacts get to see a new vacation message even when they've contacted the recipient within the :days period.

Regards,

Stephan.

...

Regards, Graham —

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Graham Leggett
Sami Ketola
Stephan Bosch