Re: [CFP] "Modern Email" Developer Room at FOSDEM '24

2023-11-22 Thread Nick Lockheart
This exact message was sent to the Cyrus list, too. On Wed, 2023-11-22 at 14:06 +0100, Joris Baum wrote: > Hi, > > There will be a developer room that I think will be of particular > interest for subscribers of this mailing list for "Modern Email" > during > FOSDEM '24. It will center around

DMARC Failures for Mailing List

2023-11-17 Thread Nick Lockheart
Now that we've got our new mail server going and the DMARC reports are coming in, I'm finding a lot of DMARC failures for messages that I'm sending to this list. It seems that when I send a message to this list, the list software forwards it to other people on my behalf, but uses my email address

Re: Geofencing

2023-11-17 Thread Nick Lockheart
My original reason for asking was, in addition to setting up a new mail server, there was a topic that came up about port scanning. My thought was, if the only people that need email services on ports 587 and 993 are employees, there might be a way to close down access to those ports to

Re: Anyone Watching Actvity from this network? Attempting Dovecot Buffer Overflows?

2023-11-16 Thread Nick Lockheart
Are there publicly available lists of IP ranges by region? There's no reason for any IP outside of North America to be contacting Postfix on Submission (587) or IMAP, since these are employee only services. If not for mobile phones, we could really close it off. On Thu, 2023-11-16 at 08:27

Re: Minimum configuration for Dovecot SASL only?

2023-11-05 Thread Nick Lockheart
On Sat, 2023-11-04 at 16:32 -0700, Michael Peddemors wrote: > Why use Dovecot/IMAP at all for the SMTP Authentication, can't you > simply go direct to your database? > > On 2023-11-03 09:55, Nick Lockheart wrote: > > I have a Dovecot IMAP server and a Postfix server on sep

Minimum configuration for Dovecot SASL only?

2023-11-03 Thread Nick Lockheart
I have a Dovecot IMAP server and a Postfix server on separate machines. The user information is stored in a MariaDB database that is replicated on both servers. Postfix needs to authenticate outgoing mail against our valid user database. I believe this requires us to install a "dummy" Dovecot on