You can use tools like ss -ltnp or netstat -ltnp to verify the listener is opened.

Aki
On 28 April 2018 at 02:44 Reio Remma < reio@mrstuudio.ee> wrote:


A firewall blocking the port perhaps?

Reio

On 28.04.2018 0:35, Derek Harding wrote:
Many thanks - it doesn't work for me, however. There must be something
in my configuration somewhere else, perhaps nothing to do with
Dovecot, that prevents this.
:-)
On 27/04/18 18:55, Aki Tuomi wrote:
Yep.
>> Aki
>>
>>> On 27 April 2018 at 09:50 Derek Harding
>>> < rev.derek.harding@gmail.com> wrote:
>>>
>>>
>>> I appreciate your suggestion. That'll allow both ports or only 8839?
>>>
>>> Derek
>>>
>>>
>>> On 27 April 2018 4:34:33 PM NZST, Aki Tuomi < aki.tuomi@dovecot.fi>
>>> wrote:
>>>>
>>>>> On 27 April 2018 at 02:25 Derek Harding < rev.derek.harding@gmail.com>
>>>> wrote:
>>>>>
>>>>>
>>>>> Hi,
>>>>>
>>>>> I want dovecot to listen for imaps (ssl) on both 993 and a
>>>> non-standard
>>>>> port 8839.
>>>>>
>>>>> I've tried using variations on the inet_listener entries in
>>>>> 10-master.conf as shown in a couple of threads on here but none of
>>>> the
>>>>> attempts have worked.
>>>>>
>>>>> Can someone provide me with a cut-and-paste solution and confirm into
>>>>
>>>>> which file it should be placed (i.e. is the dovecot.conf format using
>>>>
>>>>> the inet_listener = {address} appropriate)?
>>>>>
>>>>> --
>>>>> Best wishes,
>>>>> Derek
>>>>
>>>> service imap-login {
>>>>   inet_listener {
>>>>     ssl = yes
>>>>     port = 8839
>>>>   }
>>>> }
>>>>
>>>> Aki

---
Aki Tuomi