imapc_port not working

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David Tildesley

27 Oct 2020 27 Oct '20

10:08 a.m.

Hi, Dovecot v2.3.7.2 on Ubuntu 18.04LTS

I have configured for imap proxy to imap.gmail.com However whilst the imapc_host setting is working, imapc_port is not - it ignores the value I set and dovecot always tries to connect to gmail on port 143 (as per error log output). I have the imapc settings in the 10-mail.conf which gets loaded by dovecoat.conf Looks like a bug. Any assistance would appreciated. Regards,David.

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Aki Tuomi

27 Oct 27 Oct

10:16 a.m.

...

Can you provide output of doveconf -n?

Aki

David Tildesley

10:47 a.m.

xxxx@imapproxy01:/etc/dovecot/conf.d$ dovecot -n# 2.3.7.2 (3c910f64b): /etc/dovecot/dovecot.conf# Pigeonhole version 0.5.7.2 ()# OS: Linux 5.4.0-1031-azure x86_64 Ubuntu 20.04.1 LTS# Hostname: imapproxy01.trf04sdec2hu1b4wur4lazeo3f.px.internal.cloudapp.netauth_verbose = yesdisable_plaintext_auth = noimapc_host = imap.gmail.comimapc_password = # hidden, use -P to show itimapc_port = 993imapc_ssl = imapsimapc_ssl_verify = noimapc_user = xxxxxx@gmail.commail_home = /home/vmail/%umail_location = imapc:~/imapcmail_privileged_group = mailnamespace 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 =}passdb { args = host=imap.gmail.com port=993 ssl=imaps default_fields = userdb_namespace=gmail userdb_namespace/gmail/list=yes userdb_namespace/gmail/subscriptions=no userdb_namespace/gmail/separator=. userdb_namespace/gmail/prefix=INBOX.gmail. userdb_namespace/gmail/location=imapc: userdb_imapc_host=imap.gmail.com userdb_imapc_user=xxxx@gmail.com userdb_imapc_password=#hidden_use-P_to_show# userdb_imapc_ssl=imaps userdb_imapc_ssl_ca_dir=/etc/ssl/certs userdb_imapc_port=993 driver = imap}plugin { sieve = file:~/sieve;active=~/.dovecot.sieve}protocols = " imap"ssl_cert = </etc/dovecot/private/dovecot.pemssl_client_ca_dir = /etc/ssl/certsssl_dh = # hidden, use -P to show itssl_key = # hidden, use -P to show ituserdb { driver = prefetch} On Tuesday, 27 October 2020, 09:16:51 pm NZDT, Aki Tuomi <aki.tuomi@open-xchange.com> wrote:

...

Can you provide output of doveconf -n?

Aki

David Tildesley

10:54 a.m.

I have solved the port problem by specifying it in the passdb section as userdb_imapc_port=993 But:This is in the error log when I make a connection from the client: Oct 27 08:49:16 imapproxy01 dovecot: auth: Fatal: passdb imap: Cannot verify certificate without ssl_ca_dir or ssl_ca_file settingOct 27 08:49:16 imapproxy01 dovecot: master: Error: service(auth): command startup failed, throttling for 2 secs

On Tuesday, 27 October 2020, 09:48:49 pm NZDT, David Tildesley &lt;davotnz@yahoo.co.nz> wrote:

...

Can you provide output of doveconf -n?

Aki

David Tildesley

11:10 a.m.

I solved that certificate problem (temporarily) by disabling cert check. But now I get the following more obscure error: Error: Couldn't drop privileges: User is missing UID (see mail_uid setting)

On Tuesday, 27 October 2020, 09:55:28 pm NZDT, David Tildesley &lt;davotnz@yahoo.co.nz> wrote:

On Tuesday, 27 October 2020, 09:48:49 pm NZDT, David Tildesley &lt;davotnz@yahoo.co.nz> wrote:

...

Can you provide output of doveconf -n?

Aki

Aki Tuomi

11:17 a.m.

You know that imapc != imap proxy.

imapc is a thin client, which is a "mail storage provider" like maildir.

imap proxy is when you proxy the connection somewhere. this is done with proxy_ settings in passdb.

You need to specify

ssl_client_ca_dir = /etc/ssl/certs

to get cert verification working with imapc. it's required.

Aki

...

On 27/10/2020 10:54 David Tildesley <davotnz@yahoo.co.nz> wrote:

I have solved the port problem by specifying it in the passdb section as userdb_imapc_port=993

But: This is in the error log when I make a connection from the client:

Oct 27 08:49:16 imapproxy01 dovecot: auth: Fatal: passdb imap: Cannot verify certificate without ssl_ca_dir or ssl_ca_file setting Oct 27 08:49:16 imapproxy01 dovecot: master: Error: service(auth): command startup failed, throttling for 2 secs

On Tuesday, 27 October 2020, 09:48:49 pm NZDT, David Tildesley <davotnz@yahoo.co.nz> wrote:

xxxx@imapproxy01:/etc/dovecot/conf.d$ dovecot -n

2.3.7.2 (3c910f64b): /etc/dovecot/dovecot.conf

Pigeonhole version 0.5.7.2 ()

OS: Linux 5.4.0-1031-azure x86_64 Ubuntu 20.04.1 LTS

Hostname: imapproxy01.trf04sdec2hu1b4wur4lazeo3f.px.internal.cloudapp.net

auth_verbose = yes disable_plaintext_auth = no imapc_host = imap.gmail.com imapc_password = # hidden, use -P to show it imapc_port = 993 imapc_ssl = imaps imapc_ssl_verify = no imapc_user = xxxxxx@gmail.com mail_home = /home/vmail/%u mail_location = imapc:~/imapc mail_privileged_group = mail 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 = } passdb { args = host=imap.gmail.com port=993 ssl=imaps default_fields = userdb_namespace=gmail userdb_namespace/gmail/list=yes userdb_namespace/gmail/subscriptions=no userdb_namespace/gmail/separator=. userdb_namespace/gmail/prefix=INBOX.gmail. userdb_namespace/gmail/location=imapc: userdb_imapc_host=imap.gmail.com userdb_imapc_user=xxxx@gmail.com userdb_imapc_password=#hidden_use-P_to_show# userdb_imapc_ssl=imaps userdb_imapc_ssl_ca_dir=/etc/ssl/certs userdb_imapc_port=993 driver = imap } plugin { sieve = file:~/sieve;active=~/.dovecot.sieve } protocols = " imap" ssl_cert = </etc/dovecot/private/dovecot.pem ssl_client_ca_dir = /etc/ssl/certs ssl_dh = # hidden, use -P to show it ssl_key = # hidden, use -P to show it userdb { driver = prefetch }

On Tuesday, 27 October 2020, 09:16:51 pm NZDT, Aki Tuomi <aki.tuomi@open-xchange.com> wrote:

...
On 27/10/2020 10:08 David Tildesley <davotnz@yahoo.co.nz> wrote:

Hi,

Dovecot v2.3.7.2 on Ubuntu 18.04LTS

I have configured for imap proxy to imap.gmail.com

However whilst the imapc_host setting is working, imapc_port is not - it ignores the value I set and dovecot always tries to connect to gmail on port 143 (as per error log output).

I have the imapc settings in the 10-mail.conf which gets loaded by dovecoat.conf

Looks like a bug.

Any assistance would appreciated.

Regards, David.

Can you provide output of doveconf -n?

Aki

David Tildesley

11:42 a.m.

Hi Aki, Thanks. I didn't know that about imapc - but by the way, I finally got it working. The reason why I am inserting Dovecot between my (single) client and our Exchange server (eventually - I am still testing against imap.gmail.com) is to that I can manipulate the email with Sieve due to limitations of my client (Genesys). Give the above scenario, should I use imapc or proxy ? Thanks for your help. Regards, David.

On Tuesday, 27 October 2020, 10:17:37 pm NZDT, Aki Tuomi &lt;aki.tuomi@open-xchange.com> wrote:

You know that imapc != imap proxy.

imapc is a thin client, which is a "mail storage provider" like maildir.

imap proxy is when you proxy the connection somewhere. this is done with proxy_ settings in passdb.

You need to specify

ssl_client_ca_dir = /etc/ssl/certs

to get cert verification working with imapc. it's required.

Aki

...

On 27/10/2020 10:54 David Tildesley <davotnz@yahoo.co.nz> wrote:

I have solved the port problem by specifying it in the passdb section as userdb_imapc_port=993

But: This is in the error log when I make a connection from the client:

Oct 27 08:49:16 imapproxy01 dovecot: auth: Fatal: passdb imap: Cannot verify certificate without ssl_ca_dir or ssl_ca_file setting Oct 27 08:49:16 imapproxy01 dovecot: master: Error: service(auth): command startup failed, throttling for 2 secs

On Tuesday, 27 October 2020, 09:48:49 pm NZDT, David Tildesley <davotnz@yahoo.co.nz> wrote:

xxxx@imapproxy01:/etc/dovecot/conf.d$ dovecot -n

2.3.7.2 (3c910f64b): /etc/dovecot/dovecot.conf

Pigeonhole version 0.5.7.2 ()

OS: Linux 5.4.0-1031-azure x86_64 Ubuntu 20.04.1 LTS

Hostname: imapproxy01.trf04sdec2hu1b4wur4lazeo3f.px.internal.cloudapp.net

auth_verbose = yes disable_plaintext_auth = no imapc_host = imap.gmail.com imapc_password = # hidden, use -P to show it imapc_port = 993 imapc_ssl = imaps imapc_ssl_verify = no imapc_user = xxxxxx@gmail.com mail_home = /home/vmail/%u mail_location = imapc:~/imapc mail_privileged_group = mail 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 = } passdb { args = host=imap.gmail.com port=993 ssl=imaps default_fields = userdb_namespace=gmail userdb_namespace/gmail/list=yes userdb_namespace/gmail/subscriptions=no userdb_namespace/gmail/separator=. userdb_namespace/gmail/prefix=INBOX.gmail. userdb_namespace/gmail/location=imapc: userdb_imapc_host=imap.gmail.com userdb_imapc_user=xxxx@gmail.com userdb_imapc_password=#hidden_use-P_to_show# userdb_imapc_ssl=imaps userdb_imapc_ssl_ca_dir=/etc/ssl/certs userdb_imapc_port=993 driver = imap } plugin { sieve = file:~/sieve;active=~/.dovecot.sieve } protocols = " imap" ssl_cert = </etc/dovecot/private/dovecot.pem ssl_client_ca_dir = /etc/ssl/certs ssl_dh = # hidden, use -P to show it ssl_key = # hidden, use -P to show it userdb { driver = prefetch }

On Tuesday, 27 October 2020, 09:16:51 pm NZDT, Aki Tuomi <aki.tuomi@open-xchange.com> wrote:

...
On 27/10/2020 10:08 David Tildesley <davotnz@yahoo.co.nz> wrote:

Hi,

Dovecot v2.3.7.2 on Ubuntu 18.04LTS

I have configured for imap proxy to imap.gmail.com

However whilst the imapc_host setting is working, imapc_port is not - it ignores the value I set and dovecot always tries to connect to gmail on port 143 (as per error log output).

I have the imapc settings in the 10-mail.conf which gets loaded by dovecoat.conf

Looks like a bug.

Any assistance would appreciated.

Regards, David.

Can you provide output of doveconf -n?

Aki

Aki Tuomi

11:47 a.m.

imap proxy is a "dumb proxy", it will just pass everything to google & back after you've authenticated.

imapc allows you to use imap sieve to some extent. I'm not sure what kind of Sieve manipulations you have in mind.

Aki

...

On 27/10/2020 11:42 David Tildesley <davotnz@yahoo.co.nz> wrote:

Hi Aki,

Thanks. I didn't know that about imapc - but by the way, I finally got it working.

The reason why I am inserting Dovecot between my (single) client and our Exchange server (eventually - I am still testing against imap.gmail.com) is to that I can manipulate the email with Sieve due to limitations of my client (Genesys).

Give the above scenario, should I use imapc or proxy ?

Thanks for your help.

Regards, David.

On Tuesday, 27 October 2020, 10:17:37 pm NZDT, Aki Tuomi <aki.tuomi@open-xchange.com> wrote:

You know that imapc != imap proxy.

imapc is a thin client, which is a "mail storage provider" like maildir.

imap proxy is when you proxy the connection somewhere. this is done with proxy_ settings in passdb.

You need to specify

ssl_client_ca_dir = /etc/ssl/certs

to get cert verification working with imapc. it's required.

Aki

...
On 27/10/2020 10:54 David Tildesley <davotnz@yahoo.co.nz> wrote:

I have solved the port problem by specifying it in the passdb section as userdb_imapc_port=993

But: This is in the error log when I make a connection from the client:

Oct 27 08:49:16 imapproxy01 dovecot: auth: Fatal: passdb imap: Cannot verify certificate without ssl_ca_dir or ssl_ca_file setting Oct 27 08:49:16 imapproxy01 dovecot: master: Error: service(auth): command startup failed, throttling for 2 secs

On Tuesday, 27 October 2020, 09:48:49 pm NZDT, David Tildesley <davotnz@yahoo.co.nz> wrote:

xxxx@imapproxy01:/etc/dovecot/conf.d$ dovecot -n

2.3.7.2 (3c910f64b): /etc/dovecot/dovecot.conf

Pigeonhole version 0.5.7.2 ()

OS: Linux 5.4.0-1031-azure x86_64 Ubuntu 20.04.1 LTS

Hostname: imapproxy01.trf04sdec2hu1b4wur4lazeo3f.px.internal.cloudapp.net

auth_verbose = yes disable_plaintext_auth = no imapc_host = imap.gmail.com imapc_password = # hidden, use -P to show it imapc_port = 993 imapc_ssl = imaps imapc_ssl_verify = no imapc_user = xxxxxx@gmail.com mail_home = /home/vmail/%u mail_location = imapc:~/imapc mail_privileged_group = mail 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 = } passdb { args = host=imap.gmail.com port=993 ssl=imaps default_fields = userdb_namespace=gmail userdb_namespace/gmail/list=yes userdb_namespace/gmail/subscriptions=no userdb_namespace/gmail/separator=. userdb_namespace/gmail/prefix=INBOX.gmail. userdb_namespace/gmail/location=imapc: userdb_imapc_host=imap.gmail.com userdb_imapc_user=xxxx@gmail.com userdb_imapc_password=#hidden_use-P_to_show# userdb_imapc_ssl=imaps userdb_imapc_ssl_ca_dir=/etc/ssl/certs userdb_imapc_port=993 driver = imap } plugin { sieve = file:~/sieve;active=~/.dovecot.sieve } protocols = " imap" ssl_cert = </etc/dovecot/private/dovecot.pem ssl_client_ca_dir = /etc/ssl/certs ssl_dh = # hidden, use -P to show it ssl_key = # hidden, use -P to show it userdb { driver = prefetch }

On Tuesday, 27 October 2020, 09:16:51 pm NZDT, Aki Tuomi <aki.tuomi@open-xchange.com> wrote:

...
On 27/10/2020 10:08 David Tildesley <davotnz@yahoo.co.nz> wrote:

Hi,

Dovecot v2.3.7.2 on Ubuntu 18.04LTS

I have configured for imap proxy to imap.gmail.com

However whilst the imapc_host setting is working, imapc_port is not - it ignores the value I set and dovecot always tries to connect to gmail on port 143 (as per error log output).

I have the imapc settings in the 10-mail.conf which gets loaded by dovecoat.conf

Looks like a bug.

Any assistance would appreciated.

Regards, David.

Can you provide output of doveconf -n?

Aki

David Tildesley

11:52 a.m.

Hi Aki , I need to Sieve to match the message headers TO, CC, BCC against a list of email addresses. If it gets a match, I want Sieve to set the x-original-to header to that email address (I think I can do that with Sieve extension). Is this doable? Thanks,David. On Tuesday, 27 October 2020, 10:47:02 pm NZDT, Aki Tuomi <aki.tuomi@open-xchange.com> wrote:

imap proxy is a "dumb proxy", it will just pass everything to google & back after you've authenticated.

imapc allows you to use imap sieve to some extent. I'm not sure what kind of Sieve manipulations you have in mind.

Aki

...

On 27/10/2020 11:42 David Tildesley <davotnz@yahoo.co.nz> wrote:

Hi Aki,

Thanks. I didn't know that about imapc - but by the way, I finally got it working.

The reason why I am inserting Dovecot between my (single) client and our Exchange server (eventually - I am still testing against imap.gmail.com) is to that I can manipulate the email with Sieve due to limitations of my client (Genesys).

Give the above scenario, should I use imapc or proxy ?

Thanks for your help.

Regards, David.

On Tuesday, 27 October 2020, 10:17:37 pm NZDT, Aki Tuomi <aki.tuomi@open-xchange.com> wrote:

You know that imapc != imap proxy.

imapc is a thin client, which is a "mail storage provider" like maildir.

imap proxy is when you proxy the connection somewhere. this is done with proxy_ settings in passdb.

You need to specify

ssl_client_ca_dir = /etc/ssl/certs

to get cert verification working with imapc. it's required.

Aki

...
On 27/10/2020 10:54 David Tildesley <davotnz@yahoo.co.nz> wrote:

I have solved the port problem by specifying it in the passdb section as userdb_imapc_port=993

But: This is in the error log when I make a connection from the client:

Oct 27 08:49:16 imapproxy01 dovecot: auth: Fatal: passdb imap: Cannot verify certificate without ssl_ca_dir or ssl_ca_file setting Oct 27 08:49:16 imapproxy01 dovecot: master: Error: service(auth): command startup failed, throttling for 2 secs

On Tuesday, 27 October 2020, 09:48:49 pm NZDT, David Tildesley <davotnz@yahoo.co.nz> wrote:

xxxx@imapproxy01:/etc/dovecot/conf.d$ dovecot -n

2.3.7.2 (3c910f64b): /etc/dovecot/dovecot.conf

Pigeonhole version 0.5.7.2 ()

OS: Linux 5.4.0-1031-azure x86_64 Ubuntu 20.04.1 LTS

Hostname: imapproxy01.trf04sdec2hu1b4wur4lazeo3f.px.internal.cloudapp.net

auth_verbose = yes disable_plaintext_auth = no imapc_host = imap.gmail.com imapc_password = # hidden, use -P to show it imapc_port = 993 imapc_ssl = imaps imapc_ssl_verify = no imapc_user = xxxxxx@gmail.com mail_home = /home/vmail/%u mail_location = imapc:~/imapc mail_privileged_group = mail 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 = } passdb { args = host=imap.gmail.com port=993 ssl=imaps default_fields = userdb_namespace=gmail userdb_namespace/gmail/list=yes userdb_namespace/gmail/subscriptions=no userdb_namespace/gmail/separator=. userdb_namespace/gmail/prefix=INBOX.gmail. userdb_namespace/gmail/location=imapc: userdb_imapc_host=imap.gmail.com userdb_imapc_user=xxxx@gmail.com userdb_imapc_password=#hidden_use-P_to_show# userdb_imapc_ssl=imaps userdb_imapc_ssl_ca_dir=/etc/ssl/certs userdb_imapc_port=993 driver = imap } plugin { sieve = file:~/sieve;active=~/.dovecot.sieve } protocols = " imap" ssl_cert = </etc/dovecot/private/dovecot.pem ssl_client_ca_dir = /etc/ssl/certs ssl_dh = # hidden, use -P to show it ssl_key = # hidden, use -P to show it userdb { driver = prefetch }

On Tuesday, 27 October 2020, 09:16:51 pm NZDT, Aki Tuomi <aki.tuomi@open-xchange.com> wrote:

...
On 27/10/2020 10:08 David Tildesley <davotnz@yahoo.co.nz> wrote:

Hi,

Dovecot v2.3.7.2 on Ubuntu 18.04LTS

I have configured for imap proxy to imap.gmail.com

However whilst the imapc_host setting is working, imapc_port is not - it ignores the value I set and dovecot always tries to connect to gmail on port 143 (as per error log output).

I have the imapc settings in the 10-mail.conf which gets loaded by dovecoat.conf

Looks like a bug.

Any assistance would appreciated.

Regards, David.

Can you provide output of doveconf -n?

Aki

Aki Tuomi

11:57 a.m.

Not sure what happens if you do that with Sieve refilter (UID FILTER) command with imapc.

Are you sure you want to use imapc and not something like fetchmail here instead?

Aki

...

On 27/10/2020 11:52 David Tildesley <davotnz@yahoo.co.nz> wrote:

Hi Aki ,

I need to Sieve to match the message headers TO, CC, BCC against a list of email addresses. If it gets a match, I want Sieve to set the x-original-to header to that email address (I think I can do that with Sieve extension).

Is this doable?

Thanks, David.

On Tuesday, 27 October 2020, 10:47:02 pm NZDT, Aki Tuomi <aki.tuomi@open-xchange.com> wrote:

imap proxy is a "dumb proxy", it will just pass everything to google & back after you've authenticated.

imapc allows you to use imap sieve to some extent. I'm not sure what kind of Sieve manipulations you have in mind.

Aki

...
On 27/10/2020 11:42 David Tildesley <davotnz@yahoo.co.nz> wrote:

Hi Aki,

Thanks. I didn't know that about imapc - but by the way, I finally got it working.

The reason why I am inserting Dovecot between my (single) client and our Exchange server (eventually - I am still testing against imap.gmail.com) is to that I can manipulate the email with Sieve due to limitations of my client (Genesys).

Give the above scenario, should I use imapc or proxy ?

Thanks for your help.

Regards, David.

On Tuesday, 27 October 2020, 10:17:37 pm NZDT, Aki Tuomi <aki.tuomi@open-xchange.com> wrote:

You know that imapc != imap proxy.

imapc is a thin client, which is a "mail storage provider" like maildir.

imap proxy is when you proxy the connection somewhere. this is done with proxy_ settings in passdb.

You need to specify

ssl_client_ca_dir = /etc/ssl/certs

to get cert verification working with imapc. it's required.

Aki

...
On 27/10/2020 10:54 David Tildesley <davotnz@yahoo.co.nz> wrote:

I have solved the port problem by specifying it in the passdb section as userdb_imapc_port=993

But: This is in the error log when I make a connection from the client:

Oct 27 08:49:16 imapproxy01 dovecot: auth: Fatal: passdb imap: Cannot verify certificate without ssl_ca_dir or ssl_ca_file setting Oct 27 08:49:16 imapproxy01 dovecot: master: Error: service(auth): command startup failed, throttling for 2 secs

On Tuesday, 27 October 2020, 09:48:49 pm NZDT, David Tildesley <davotnz@yahoo.co.nz> wrote:

xxxx@imapproxy01:/etc/dovecot/conf.d$ dovecot -n

2.3.7.2 (3c910f64b): /etc/dovecot/dovecot.conf

Pigeonhole version 0.5.7.2 ()

OS: Linux 5.4.0-1031-azure x86_64 Ubuntu 20.04.1 LTS

Hostname: imapproxy01.trf04sdec2hu1b4wur4lazeo3f.px.internal.cloudapp.net

auth_verbose = yes disable_plaintext_auth = no imapc_host = imap.gmail.com imapc_password = # hidden, use -P to show it imapc_port = 993 imapc_ssl = imaps imapc_ssl_verify = no imapc_user = xxxxxx@gmail.com mail_home = /home/vmail/%u mail_location = imapc:~/imapc mail_privileged_group = mail 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 = } passdb { args = host=imap.gmail.com port=993 ssl=imaps default_fields = userdb_namespace=gmail userdb_namespace/gmail/list=yes userdb_namespace/gmail/subscriptions=no userdb_namespace/gmail/separator=. userdb_namespace/gmail/prefix=INBOX.gmail. userdb_namespace/gmail/location=imapc: userdb_imapc_host=imap.gmail.com userdb_imapc_user=xxxx@gmail.com userdb_imapc_password=#hidden_use-P_to_show# userdb_imapc_ssl=imaps userdb_imapc_ssl_ca_dir=/etc/ssl/certs userdb_imapc_port=993 driver = imap } plugin { sieve = file:~/sieve;active=~/.dovecot.sieve } protocols = " imap" ssl_cert = </etc/dovecot/private/dovecot.pem ssl_client_ca_dir = /etc/ssl/certs ssl_dh = # hidden, use -P to show it ssl_key = # hidden, use -P to show it userdb { driver = prefetch }

On Tuesday, 27 October 2020, 09:16:51 pm NZDT, Aki Tuomi <aki.tuomi@open-xchange.com> wrote:

...
On 27/10/2020 10:08 David Tildesley <davotnz@yahoo.co.nz> wrote:

Hi,

Dovecot v2.3.7.2 on Ubuntu 18.04LTS

I have configured for imap proxy to imap.gmail.com

However whilst the imapc_host setting is working, imapc_port is not - it ignores the value I set and dovecot always tries to connect to gmail on port 143 (as per error log output).

I have the imapc settings in the 10-mail.conf which gets loaded by dovecoat.conf

Looks like a bug.

Any assistance would appreciated.

Regards, David.

Can you provide output of doveconf -n?

Aki

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