Re: Overriding transport_maps with sender_dependent

On Thu, 12 Aug 2021 11:56:36 -0400, Matt Corallo stated: >On 8/12/21 09:37, Wietse Venema wrote: >> Matt Corallo: >>> I tried variations of this but never could get it to work - as far >>> as I could tell the nexthop is fully resolved by the time we get to >>> the smtp daemon, so there aren't any

Re: SMTPUTF8 problem with Exchange servers

On Thu, 18 Jun 2020 10:20:48 +0200, Patrick Proniewski stated: >On 17 juin 2020, at 22:05, Viktor Dukhovni > wrote: >> >> On Wed, Jun 17, 2020 at 10:00:32PM +0200, Patrick Proniewski wrote: >> - disable SMTPUTF8 in Postfix. >>> >>> That means disabling it everywhere and let messages bou

Microsoft Servers with DANE & DNSSEC

Microsoft has finally decided to add DANE and DNSSEC support to Exchange Online servers. https://techcommunity.microsoft.com/t5/exchange-team-blog/support-of-dane-and-dnssec-in-office-365-exchange-online/ba-p/1275494 -- Jerry pgpn6634G_3L3.pgp Description: OpenPGP digital signature

Re: easiest way to reject/process emails based on Return Path

On Mon, 18 May 2020 18:20:36 +0200, Jaroslaw Rafa stated: >Dnia 18.05.2020 o godz. 11:50:53 yuv pisze: >> discarded the message. It is one of the main reasons why we lawyers >> continue to use fax transmission: the protocol is reliable, my fax >> device receives the equivalent of a 250, I can rely

'mlmmj' and Postfix configuration

I am considering running 'mlmmj' on my FreeBSD system. There is a document that shows how to configure Postfix with 'mlmmj' available. http://mlmmj.org/docs/readme-postfix/ That document is dated 1/28/2012. I tend to think it is outdated. Does anyone here use this application and have any suggesti

Unable to send mail via office365

postfix 3.6-20200316 FreeBSD 11.3 p7 OpenSSL 1.1.1f For several years, I was able to sent mail via Outlook. Suddenly, as of yesterday, it fails. This is the log output from one attempt from postfix: Apr 8 05:33:46 scorpio postfix/smtp[73032]: Trusted TLS connection established to smtp.office3

Re: should we use plaintext for message?

On Fri, 20 Mar 2020 17:07:00 +0100, Jaroslaw Rafa stated: >Dnia 20.03.2020 o godz. 11:48:59 Gerard E. Seibert pisze: >> >> When I receive an email, I have two immediate choices to make; either >> read it or don't read it. > >Let's say I decide to read it, s

Re: should we use plaintext for message?

On Fri, 20 Mar 2020 08:02:19 -0600, @lbutlr stated: >On 19 Mar 2020, at 00:16, Philip Paeps wrote: >> On 2020-03-18 09:51:45 (+0800), Wesley Peng wrote: >>> Following this guide: >>> https://useplaintext.email/ >>> >>> Shall we use plaintext message in regular email communication? >> >> You

Re: Building recipient maps from Exchange/O365

On Sun, 9 Feb 2020 07:56:53 -0500, Curtis Maurand stated: >it should be. use ldap. active directory is nothing but a glorified >ldap server and listens on port 389. If it were ldap over ssl the port is 636 I believe. -- Gerard

Re: Re: SEMDMAIL Error message

On Wed, 8 Jan 2020 12:00:55 -0400, Jason Hirsh stated: >Ok apparently installation of postfix from the port has an issue > > >I changed mailer.conf as follows > > >#sendmail /usr/libexec/sendmail/sendmail >#mailq /usr/libexec/sendmail/sendmail >#newaliases /usr/libexec/sendmail/s

Re: Unable to send mail via "smtp.office365.com"

On Sun, 8 Dec 2019 21:52:39 +0100, Patrick Ben Koetter stated: >* Gerard E. Seibert : >> Thank you for that quick and accurate answer. I was just wondering, >> is this a bug in 'libsasl' or is it due to a change in Outlook? My >> setup had been working for years wit

Re: Unable to send mail via "smtp.office365.com"

On Sun, 8 Dec 2019 10:30:33 -0500 (EST), Wietse Venema stated: >Gerard E. Seibert: >> Dec 8 09:42:30 scorpio postfix/smtp[87448]: 47W8Dj4Q1jz1xx1: SASL >> authentication failed; cannot authenticate to server >> smtp.office365.com[52.96.58.98]: invalid parameter suppl

Unable to send mail via "smtp.office365.com"

I use Postfix with "sender_dependent_relayhost_maps". Up until yesterday, it had been working flawlessly for years. Now, I am suddenly unable to send mail using "smtp.office365.com". This is the latest log entries for the last attempt. Dec 8 09:42:30 scorpio postfix/smtp[87448]: Trusted TLS conne

Re: Postfix stable release 3.4.8

On Wed, 27 Nov 2019 10:38:58 -0500 (EST), Wietse Venema stated: >[An on-line version of this announcement will be available at >http://www.postfix.org/announcements/postfix-3.4.8.html] > >Fixed in Postfix 3.4: > > * Fix for an Exim interoperability problem when postscreen after-220 >checks are

Correct tls settings

I am running Postfix mail_version = 3.5-20190922, with OpenSSL 1.1.1d on a FreeBSD 11 machine. I am just wondering what the recommended settings are for the following items: smtp_tls_mandatory_protocols= smtpd_tls_mandatory_protocols= smtp_tls_protocols= smtpd_tls_protocols= I have seen several r