I just tested my two mail servers with qmt and both work just fine and sent email from outlook web.
So not sure what is your config and which patch you have used. Remo > On Aug 28, 2022, at 13:25, Jaime Lerner <jaimeler...@geekgoddess.com> wrote: > > I read that if you’re running ESMTP, that includes BDAT support. QMT has > ESMTP via a patch. I know my server’s banner includes ESMTP during an SMTP > handshake ... so wouldn’t that mean QMT has BDAT support? > > From: Jeff Koch <jeffk...@intersessions.com > <mailto:jeffk...@intersessions.com>> > Reply-To: <qmailtoaster-list@qmailtoaster.com > <mailto:qmailtoaster-list@qmailtoaster.com>> > Date: Sunday, August 28, 2022 at 4:20 PM > To: <qmailtoaster-list@qmailtoaster.com > <mailto:qmailtoaster-list@qmailtoaster.com>> > Subject: Re: [qmailtoaster] qmail toaster support for BDAT > > Thanks Tonix - so the result is that messages from email clients (like > Outlook) that add multiple bare line feeds in their messages and use O365 > will now get rejected by the qmail toaster. How nice of Microsoft. > > Jeff > > On 8/28/2022 2:27 PM, to...@interazioni.it <mailto:to...@interazioni.it> > wrote: >> This document explains the problem: >> https://docs.microsoft.com/en-us/exchange/mail-flow-best-practices/non-delivery-reports-in-exchange-online/fix-error-code-550-5-6-11-in-exchange-online >> >> <https://docs.microsoft.com/en-us/exchange/mail-flow-best-practices/non-delivery-reports-in-exchange-online/fix-error-code-550-5-6-11-in-exchange-online> >> >> I will omit my thought on remote admins. >> A very simple rule in communication is: be strict when sending, be tolerant >> when receiving. >> >> Regards, >> Tonino >> >> >> Il 28 agosto 2022 19:24:13 CEST, Jeff Koch <jeffk...@intersessions.com> >> <mailto:jeffk...@intersessions.com> ha scritto: >> >Further information: >> > >> >The sender also got the following message from his exchange mailserver when >> >trying to send to our mailserver: >> > >> >Your message contains invalid characters (bare line feed characters) which >> >the email servers at ......com don't support >> > >> >Jeff >> > >> > >> >On 8/28/2022 12:45 PM, Jeff Koch wrote: >> >> >> >> Never heard of this before but an email sender to our mailserver got the >> >> following error message: >> >> >> >> 550 5.6.11 SMTPSEND.BareLinefeedsAreIllegal; message contains bare >> >> linefeeds, which cannot be sent via DATA and receiving system does not >> >> support BDAT >> >> >> >> Does anyone know whether the qmail toaster supports the SMTP protocol >> >> BDAT command ? >> >> >> >> Thanks, >> >> >> >> Jeff
