Re: Wrote a blogpost on OpenSMTPD mailrelay - feedback appreciated

2024-03-10 Thread Stuart D Gathman
On Sat, 9 Mar 2024, Paul Pace wrote: That said, you are exactly correct about the problem with Postfix being an enterprise-grade tool that retains its enterprise-grade complexity. Being "easier to configure than Sendmail" is too low of a bar and I really think that OpenSMTPD is what that vast

Re: Setting personal mailserver

2023-09-08 Thread Stuart D Gathman
On Thu, 7 Sep 2023, Sagar Acharya wrote: In today's times of mature NLP, you will not be able to differentiate human mail from bot mail or spam. Only in person verification is trustworthy. No. Are you saying that only people who control the network should send mails? Well DNS exactly is for

Re: Setting personal mailserver

2023-08-30 Thread Stuart D Gathman
On Wed, 30 Aug 2023, Sagar Acharya wrote: I'm facing an issue similar to a person a while ago available on archive. I use alpine, and the conf is as below There is nothing in the mailbox. Are you looking with alpine, or with CLI tools like ls? Use CLI tools to check that you've

Re: Dropping Connections Upon Connect

2023-07-28 Thread Stuart D Gathman
On Wed, 19 Jul 2023, Pete Long wrote: The filter ‘works’ in the sense that I get “421 Internal Server Error” when something matches my regex table. That's more likely to discourage the spammer than any rant you might supply instead. :-) But maybe you want to provide a channel for false

Re: How to bypass rdns filter

2023-06-20 Thread Stuart D Gathman
On Tue, 20 Jun 2023, Mik J wrote: I have this filter configured filter check_rdns phase connect match !rdns disconnect "550 no rDNS is so 80s" Someone else answered your real question, so please excuse my rant. I note that rDNS is still not part of the SMTP RFCs. HELO is what the standard

Re: opensmtpd personal mail server setup

2023-03-26 Thread Stuart D Gathman
On Sun, 26 Mar 2023, Edoardo La Greca wrote: Hi there, I'm trying to set up a SMTP server using this guide https://blog.obtusenet.com/byoes-build-your-own-email-server/ but I cannot receive any email (the `mail` command says "No mail for edo"), neither from external SMTP servers, nor from the

Re: OpenSMTPD ignores the system time zone in mail header and logfile

2022-11-04 Thread Stuart D Gathman
On Thu, 3 Nov 2022, Nils wrote: The problem is probably Void Linux specific, since I don't have this problem on a OpenBSD installation. P.S.: This is a cross-post of https://github.com/void-linux/void-packages/issues/39918 I did some research and reported on the github issue. Summary:

Re: sysupdate and space check

2022-10-26 Thread Stuart D Gathman
On Mon, 24 Oct 2022, Peter Fraser wrote: I make a stupid mistake; I didn’t check partition sizes before doing a sysupgrade. sysupgrade ran out of space or /usr in the middle of the upgrade. I know I should have checked first but it would be nice if sysupgrade did warn me. The site was a

Re: Why does OpenSMTPD not support pipelining?

2022-05-05 Thread Stuart D Gathman
On Tue, 3 May 2022, Lyndon Nerenberg (VE7TFX/VE6BBM) wrote: The pipelining extension came about at a time when networks were slower and latency was higher. And as Gilles says, the only practical application is for dealing with a huge number of RCPT commands. None of those use cases apply any

Re: Limit Mail Submission to inet4

2021-11-18 Thread Stuart D Gathman
On Thu, 18 Nov 2021, Simon Hoffmann wrote: Why? Why not fix the IPv6 issue? Our servers deliver to gmail over IPv6 with no issues. Hmm, thats interesting. The last time i googled it said that its a known issue with gmail and one should use IPv4. Also, the GMail help No problems sending

Re: Encryption and authentication on private network mail relay?

2021-10-15 Thread Stuart D Gathman
On Fri, 15 Oct 2021, p...@mostlybsd.com wrote: Authentication? The local network only includes servers in the same data center. Presumably, the local network cannot be accessed from outside the network controlled by the ISP. I'm already trusting the ISP with the servers - is it still a bad

Re: How to copy all outgoing mails based on sender definition

2021-06-09 Thread Stuart D Gathman
On Mon, 7 Jun 2021, Hagen Bauer wrote: is this really not possible or planed? No way? I really like the way opensmtpd is configured and I would hate to move back to postfix but this is really critical Any ideas or hints? On sendmail, I use the milter API. The filter API on opensmtpd

Re: Monitoring SMTPD

2021-04-29 Thread Stuart D Gathman
On Thu, 29 Apr 2021, Lukas Tribus wrote: So I send emails through a critical SMTP infrastructure to a healthchecks.io endpoint, which triggers an alert in the *absence* of the email. That's a great idea.

Re: Monitoring SMTPD

2021-04-29 Thread Stuart D Gathman
On Thu, 29 Apr 2021, Antonino Sidoti wrote: I was wondering what options are available to monitor OpenBSD SMTPD? Can SNMP be utilise? My monitoring system is PRTG and I am using that for most of my systems. Can someone share their way of monitoring please? I run two OpenSMTP mail servers and

Hello and mixed dex/dns operation question

2020-10-12 Thread Stuart D. Gathman
I have been using opensmtpd for fully dex operation, as described in https://fedoramagazine.org/decentralize-common-fedora-apps-cjdns/ (Yes the smtpd.conf has changed a bit since that article was written.) Now, I wanted to also relay outgoing mail that is *not* a raw IP through a server. Using