On 26 October 2017 at 12:16, Poliman - Serwis <ser...@poliman.pl> wrote:
> These emails are filtered somehow that they can reach MS domains? > > 2017-10-26 13:14 GMT+02:00 Dominic Raferd <domi...@timedicer.co.uk>: > >> >> >> On 26 Oct 2017 6:34 am, "Poliman - Serwis" <ser...@poliman.pl> wrote: >> >> I have strange irritating problem. When I send emails from my server to >> any email address to any domain they reach the target without any problem. >> But when I try send to address in "hotmail.com" I got bounce: >> <d2windo...@hotmail.com>: host >> hotmail-com.olc.protection.outlook.com[104.47.40.33] said: 550 5.7.1 >> Unfortunately, messages from [ip_of_my_server] weren't sent. Please >> contact >> your Internet service provider since part of their network is on our >> block >> list (AS3140). You can also refer your provider to >> http://mail.live.com/mail/troubleshooting.aspx#errors. >> [CO1NAM03FT055.eop-NAM03.prod.protection.outlook.com] (in reply to >> MAIL >> FROM command) >> >> I know that MS has own black list but why they block me. Domain which I >> use to send confirmation links is clear (checked in), ip address of my >> server also is clear. >> >> >> You could use a mail relaying service such as Sendgrid. Have a transport >> file set to relay only emails to Microsoft domains through this service. >> > First, get your Sendgrid (or whatever) account set up and have it configured in sasl_passwd. Then, for example: /etc/postfix/main.cf: <snip> transport_maps = hash:/etc/postfix/transport​ <snip> /etc/postfix/transport: onedrive.com smtp:smtp.sendgrid.com onedrive.co.uk smtp:smtp.sendgrid.com hotmail.com smtp:smtp.sendgrid.com hotmail.co.uk smtp:smtp.sendgrid.com microsoft.com smtp:smtp.sendgrid.com microsoft.co.uk smtp:smtp.sendgrid.com live.co.uk smtp:smtp.sendgrid.com live.com smtp:smtp.sendgrid.com outlook.com smtp:smtp.sendgrid.com msn.com smtp:smtp.sendgrid.com and do: postmap /etc/postfix/transport