Hi Bob
yes, I was going to suggest then using mysql lookup maps in postfix to
share the user database from dovecot. I imagine there is a way to build
postfix with mysql support on MacOS but I don't know what it is.
If not you could still generate the info for one of the supported
postfix map types from a mysql query that refreshs the map file
periodically (being careful though to not do that on the live file
directly, but a temporary file which is then renamed to the live file to
avoid postfix reading incomplete files while they are being generated).
I switched from dovecot lda many years ago, so I can't remember exactly
the configuration, but for sure it can deliver for any user if correctly
configured as the delivery mechanism in postfix.
I use lmtp and have it like this:
mailbox_command =
home_mailbox =
mailbox_transport = lmtp:unix:private/dovecot-lmtp
(with lmtp service also configured on dovecot)
To keep with lda I think you can do it with this in master.cf, though I
may not have remembered that 100% right.
dovecot unix - n n - - pipe
flags=DRhu user=vmail:vmail
argv=/usr/local/libexec/dovecot/dovecot-lda -f ${sender} -d ${recipient}
and in main.cf
mailbox_transport=dovecot
dovecot_destination_recipient_limit = 1
mailbox_command =
home_mailbox =
Other setups are possible too, but hopefully this one is nearer to your
current configuration.
John
On 08/07/2024 00:02, Robert Fuhrer via Postfix-users wrote:
Oh, thanks; I should’ve realized I could just add another map to
local_recipient_maps. D’oh!
My Dovecot setup uses MySQL to identify users+passwords.
I assume you’re asking that because (as I just discovered) PostFix
nominally supports MySQL, but OTOH “postconf -m” doesn’t list the
“mysql” lookup table type, so it’s not supported on the distribution
that comes with MacOS.
That said, for the one login user, I had been specifying:
# main.cf
home_mailbox = Maildir/
but my Dovecot setup stores the base directory path in the MySQL DB.
For non-login users, that base directory is of course not relative to
the user's “home directory”, since non-login users have no “home
directory”. (For login users, the base directory just happens to point
to their home directory.)
I guess Dovecot’s LDA would consult the MySQL DB to find the user's
Maildir, but perhaps PostFix’s invocation of the Dovecot LDA overrides
the path using the “home_mailbox”. (?)
In that case, without virtual_mailbox_base, I don’t see how to point
PostFix to the right Maildir for non-login users.
Thanks so much for the help!!
Cheers,
- Bob
On Jul 7, 2024, at 4:12 PM, John Fawcett via Postfix-users
<postfix-users@postfix.org> wrote:
On 07/07/2024 18:59, Robert Fuhrer via Postfix-users wrote:
Hi,
I've got a Mac running PostFix 3.2.2, configured for local delivery
for a single domain, call it "mydomain.net <http://mydomain.net/>",
using dovecot's local delivery agent.
At the moment, there's just one relevant login user on the server,
for which I've got PostFix delivering emails addressed to
"myu...@mydomain.net" to that user's Maildir store. This has worked
fine, for years.
As such, here are the relevant bits of config:
# main.cf
myhostname = mail.mydomain.net <http://mail.mydomain.net/>
mydestination = $myhostname, localhost.$mydomain, localhost, $mydomain
local_recipient_maps = proxy:unix:passwd.byname $alias_maps
alias_database = hash:/etc/aliases
# access
myu...@mydomain.net OK
# virtual
myu...@mydomain.net myuser@localhost
(I'm actually not sure the virtual user entry is actually necessary.
I suspect not. Is it?)
I'd like to augment this PostFix setup to accept local delivery for
a very limited number (say, 3-5) of specific NON-login users in the
same domain, e.g. "otheru...@mydomain.net", also via Maildir. (I
already have those users' mailboxes set up in Dovecot, so I can see
their mailboxes and emails via the Dovecot IMAP service in my mail
client.)
I understand that one shouldn't also list "@mydomain.net" as a
virtual_mailbox_domain (since it's already $mydestination), so what
should I do?
I'm tempted to try this:
1) Set up a fake virtual domain, say, "mydomain.virtual", just to
map those non-login users' addresses from the external addresses
(@mydomain.net).
2) Add a virtual mailbox domain for that domain.
3) Set up local delivery for the users in that domain (by mapping
them to otheruser@localhost?).
or something like that.
Any advice on how to set this up properly?
Thanks in advance,
- Bob Fuhrer
Hi Bob
if email is being delivered to dovecot for the current single user
and the same should be done for the other users, I would just list
them as local recipients. You could just add an additional map file
to local_recipient_maps listing these users. You could even drop the
unix:passwd.byname lookup if you also list your existing user in that
map. What type of user database you are using in Dovecot?
John
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