Re: MFA with Postfix to relay to/via Office365

2021-10-04 Thread Bill Cole
On 2021-10-04 at 11:34:33 UTC-0400 (Mon, 4 Oct 2021 16:34:33 +0100) lejeczek is rumored to have said: > Both IMAP & SMTP Exchange server requires OAuth2 and it might be that where > I'm failing, as I still have to investigate. It is not workable for a server to require OAuth2 (or any similar MF

Re: MFA with Postfix to relay to/via Office365

2021-10-04 Thread lejeczek
I wondered that first but having Postfix set up for Exchange server (I follow docs I find on the net) which setup seems like a "regular" relay, I cannot relay. I get: ... Trusted TLS connection established to smtp.office365.com[52.98.145.98]:587: TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (

Re: MFA with Postfix to relay to/via Office365

2021-10-04 Thread Viktor Dukhovni
On Mon, Oct 04, 2021 at 02:17:33PM +0100, lejeczek wrote: > Is relaying to an Exchange Online servers which - in my case is > imposed as I'm a member of an org - employ MFA, possible with Postfix? Unlikely. Postfix supports SASL, I don't know what would constitute "MFA" with SASL. > On Exchange

MFA with Postfix to relay to/via Office365

2021-10-04 Thread lejeczek
Hi guys. Is relaying to an Exchange Online servers which - in my case is imposed as I'm a member of an org - employ MFA, possible with Postfix? If yes, how to get such Posfix fixed for that? On Exchange's side - I'm looking at sign-in methods available to me and among those is "Authenticator app