Question about a different system. Pretty much every question of mine
is related to a different oddball case. Here I am helping a friend
out and they encountered this problem. I'll change the 3rd party
addresses so as not to annoy them but the data is otherwise
verbatim.
Sep 23 14:38:23 yuk
On Thu, Sep 24, 2020 at 12:59:44AM -0600, Bob Proulx wrote:
> Question about a different system. Pretty much every question of mine
> is related to a different oddball case. Here I am helping a friend
> out and they encountered this problem. I'll change the 3rd party
> addresses so as not to an
On Wed, Sep 23, 2020 at 09:48:28AM +0100, Dominic Raferd wrote:
> My mail servers, with LetsEncrypt certificates, seem to be working
> perfectly (sending to, and receiving from, the world), but I have
> never set any of:
>
> smtp_tls_CAfile
> smtp_tls_CApath
> smtpd_tls_CAfile
> smtpd_tls_CApath
On Thu, 24 Sep 2020 at 09:12, Viktor Dukhovni
wrote:
>
> On Wed, Sep 23, 2020 at 09:48:28AM +0100, Dominic Raferd wrote:
>
> > My mail servers, with LetsEncrypt certificates, seem to be working
> > perfectly (sending to, and receiving from, the world), but I have
> > never set any of:
> >
> > smtp
Hi!
I have a few questions regarding the HELO/EHLO checks.
According to the documentation:
reject_non_fqdn_helo_hostname
Reject the request when the HELO or EHLO hostname is not in
fully-qualified domain or address literal form, as required by the RFC.
reject_invalid_helo_hostname
Reject t
On 24 Sep 2020, at 5:49, Markus E. wrote:
Hi!
I have a few questions regarding the HELO/EHLO checks.
According to the documentation:
reject_non_fqdn_helo_hostname
Reject the request when the HELO or EHLO hostname is not in
fully-qualified domain or address literal form, as required by the
Bob Proulx wrote:
The problem is *other* sites. I am starting to get a trickle of
complaints from people who are not receiving password reset emails.
And the problem seems to be other sites that are requiring that
senders have MX records, and the rest of the associated incoming mail
server set
Jonathan Hammer:
> Hi,
>
> We are running Postfix on macOS and making use of `maillog_file =
> /dev/stdout` and `postfix start-fg` to send our logs to stdout. Not using
> Docker.
>
> We would like to pipe the logs from stdout to another process to do some
> analysis and post-processing, like s
Is it possible to let Postfix decide which hosts to relay mail for,
based on the domain from which that mail is sent?
I'm building a relayhost that should accept e-mail from a whole bunch of
internal mailservers, and relay it to the Internet, after scanning,
DKIM-signing and rate limiting.
But I
Alternate title:
Postfix + SQLite lookup tables shared with external applications in
Write-Ahead Logging (WAL) mode
Hi,
Ultimately, the fix appears to be to set the owner of the containing
directory and the SQLite database files to "postfix". What I don't
understand is _why_ this is the fix
deoren:
> Alternate title:
>
> Postfix + SQLite lookup tables shared with external applications in
> Write-Ahead Logging (WAL) mode
>
> Hi,
>
> Ultimately, the fix appears to be to set the owner of the containing
> directory and the SQLite database files to "postfix". What I don't
> understan
On 9/24/2020 12:43 PM, Wietse Venema wrote:
deoren:
Alternate title:
Postfix + SQLite lookup tables shared with external applications in
Write-Ahead Logging (WAL) mode
Hi,
Ultimately, the fix appears to be to set the owner of the containing
directory and the SQLite database files to "postfix"
On Thu, 24 Sep 2020, Bill Cole wrote:
reject_non_fqdn_helo_hostname
reject_invalid_helo_hostname
Is there a good reason to use both checks?
What is your risk tolerance? Mine is high, so I use both.
Sounds good to me as well :)
reject_invalid_helo_hostname is generally safe. I've never
Kris Deugau wrote:
> Bob Proulx wrote:
> > The problem is *other* sites. I am starting to get a trickle of
> > complaints from people who are not receiving password reset emails.
> > And the problem seems to be other sites that are requiring that
> > senders have MX records, and the rest of the as
Viktor Dukhovni wrote:
> Bob Proulx wrote:
> > ... http://postmaster.comcast.net/smtp-error-codes.php#RL01 (in reply
> > to MAIL FROM command))
>
> Look carefully at the log entry. The "421" is send in response to "MAIL
> FROM", not "RCPT TO". So the recipient limit does not look entirely
>
On Thu, Sep 24, 2020 at 11:50:19AM -0500, deoren wrote:
> Postfix + SQLite lookup tables shared with external applications in
> Write-Ahead Logging (WAL) mode
SQLite with WAL mode is a multi-file database, in which some of the
files are opened and closed as you go. Postfix does not support this
On 9/24/2020 5:16 PM, Viktor Dukhovni wrote:
On Thu, Sep 24, 2020 at 11:50:19AM -0500, deoren wrote:
Postfix + SQLite lookup tables shared with external applications in
Write-Ahead Logging (WAL) mode
SQLite with WAL mode is a multi-file database, in which some of the
files are opened and clos
>But then how do we configure Postfix to do this automatically so that
>we can gain enough reputation to send more than one recipient at a
>time? Because Comcast is not rejecting all mail. Comcast is only
>rejecting mail with multiple recipients. Comcast is accepting mail
>with single recipients
On Thu, Sep 24, 2020 at 02:06:05PM -0600, Bob Proulx wrote:
> > > ... http://postmaster.comcast.net/smtp-error-codes.php#RL01 (in reply
> > > to MAIL FROM command))
> >
> > Look carefully at the log entry. The "421" is send in response to "MAIL
> > FROM", not "RCPT TO". So the recipient li
On Thu, Sep 24, 2020 at 05:34:15PM -0500, deoren wrote:
> > No, just WAL mode means that we haven't opened all the files that
> > might later be needed.
>
> If I run all tasks under the postfix user account, how likely am I to
> run into issues? Thus far it seems to be working, but I've yet to g
On Wed, Sep 16, 2020 at 04:39:12PM -0600, Bob Proulx wrote:
> What's the best configuration for a web server that does not receive
> mail but needs to send mail?
Send only does not exist. Every e-mail can produce bounces, which are
sent to the sender of the original e-mail and needs to be handled
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