504 5.7.4 Unrecognized authentication type - error when using Office 365 smtp relay This error message is caused by a mismatch of the SMTP relay server requirements for TLS and the setting in MultiSendcon.
18.04.2016 · When I try to setup a mail server that is using Office 365 hosted exchange (SMTP/TLS on default port 587), I get the following error: 504 5.7.4 Unrecognized authentication type The server I am trying to connect to is: smtp.office365.com:587
Mar 27, 2020 · Even though the openssl test works my discourse connection still fails with 504 5.7.4 Unrecognized authentication type… Presumably it is not recognizing the LOGIN auth method. I tried adding DISCOURSE_SMTP_AUTHENTICATION: login to the app.yml file, but that has not helped.
Apr 18, 2016 · When I try to setup a mail server that is using Office 365 hosted exchange (SMTP/TLS on default port 587), I get the following error: 504 5.7.4 Unrecognized authentication type The server I am trying to connect to is: smtp.office365.com:587
Oct 20, 2020 · Outlook on the web works, logon with username and password, send and receive emails. Multifactor Authentication is disabled. Using SMTP Diag tool, I get the following log trying to send an email: Connecting to mail server. Connected. 504 5.7.4 Unrecognized authentication type [<isthisprivate>.
27.03.2020 · Even though the openssl test works my discourse connection still fails with 504 5.7.4 Unrecognized authentication type… Presumably it is not recognizing the LOGIN auth method. I tried adding DISCOURSE_SMTP_AUTHENTICATION: login to the app.yml file, but …
Apr 15, 2019 · This has been covered in previous posts. Office 365 does not support external-to-external SMTP relay. This is by design. It is not a product to use for that type of mailings. If you want to route mail though Office 365 SMTP servers, either the sender or the recipient must be a local user.
20.10.2020 · Exchange online plan 1 504 5.7.4 Unrecognized authentication type. I recently changed my email hosting to Microsoft Exchange online (plan 1). I have a windows desktop application and a scanner that I need to send emails from using SMTP.
Jul 21, 2017 · Hello I want to test my office365 mail account using telnet as following: telnet smtp.office365.com 587 220 HE1PR0701CA0067.outlook.office365.com Microsoft ESMTP MAIL Service ready at Fri, 21 Jul 2017
25.07.2017 · Hello I want to test my office365 mail account using telnet as following: telnet smtp.office365.com 587 220 HE1PR0701CA0067.outlook.office365.com Microsoft ESMTP MAIL Service ready at Fri, 21 Jul 2017. Skip to ... AUTH 504 …