That bug must be the cause.
Did a lot of search & reading but obviously I didn't search in all the
relevant places, sorry.
Thanks a lot Andrew,
also for anonymising my e-mail btw
Am 13.04.24 um 22:32 schrieb Andrew C Aitchison via Exim-users:
>
> This looks like
> https://bugs.exim.org/show_bug.cgi?id=2593
>
> On Thu, 11 Apr 2024, Raphael Haas via Exim-users wrote:
>
>> Dear list,
>>
>> I am running an exim4-daemon-heavy (4.90.1-1ubuntu1.10) and
>>
>> in the context of a userforward "~/.forward" filter file using the
>> vacation command
>>
>>> if personal alias raphael.haas@???
>>> then
>>> vacation from raphael.haas@??? subject "Out of
>>> office notification"
>>> endif
>>
>> with no other options changed from the default values given in
>> https://www.exim.org/exim-html-4.90/doc/html/spec_html/filter_ch-exim_filter_files.html#SECTmail
>>
>>
>> especially the once option is still the original ".vacation" and
>> citing from the above link "If a once file is specified, it is used
>> to hold a database..." I understand the ".vacation" is expected to be
>> a file -
>>
>> while the user filter/vacation triggering message to
>> raphael.haas@??? is delivered without problems,
>>
>> processing the vacation reply message I get this entry in the exim
>> mainlog:
>>
>>> "...R=userforward T=address_reply defer (0): Failed to open db
>>> (v4.1+) file .vacation when sending message from address_reply
>>> transport: Not a directory"
>>
>> Now that sounds like exim expects the filename ".vacation" to be a
>> directory?
>> And after a lot of unfruitful research, I renamed the ".vacation"
>> file in my home directory and created an empty ".vacation" directory,
>> and voila,
>> the vacation message gets delivered and a new ".vacation" db file is
>> created inside the new ".vacation" directory.
>> (which also rules out any possible problems with setting up the
>> current or home directories for the transport, obviously the action
>> happens in the expected place, i.e. the user home dir)
>>
>> While this is nice in principle,
>> * I'd like to understand why the vacation filter command expects a
>> directory when it should (after all I read and understand) be a file.
>> * and I'd like to avoid having to change the vacation setup in each
>> home-dir of all the users.
>>
>> Any hints and explanations would be highly welcome.
>
>> Some more background:
>> The setup ran fine for over 10 years before, the last working setup
>> was with exim 4.86.2-2ubuntu2.
>
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