Re: [PATCH net-next v2] ppp: add IFLA_PPP_UNIT netlink attribute

[Pali Rohár]

Hello, I was not able to send my previous message to Martin. It failed on error:

<martin.olivier@xxxxxxx>: host eur.olc.protection.outlook.com[52.101.68.24]
    said: 550 5.7.1 Unfortunately, messages from [172.105.4.254] weren't sent.
    Please contact your Internet service provider since part of their network
    is on our block list (S3140). You can also refer your provider to
    http://mail.live.com/mail/troubleshooting.aspx#errors. [Name=Protocol
    Filter Agent][AGT=PFA][MxId=11BD098F3639132A]
    [DB3PEPF0000885E.eurprd02.prod.outlook.com 2026-03-18T10:07:44.206Z
    08DE84C79B425097] (in reply to MAIL FROM command)

Can somebody forward my previous email message to Martin and ideally
mention that error?