Unable to forward email to Outlook server(Spam)

It's been more than a year. This server does not send spam and in main.cf(Postfix) it send a copy of all outgoing email to my email id. But Outlook does not accept it. Whether this specific IP is in Spam list or not I'm not sure.

Here : https://mxtoolbox.com/SuperTool.aspx?action=blacklist%3a172.105.35.227&run=toolpage it shows on UCEPROTECTL3 spam black list.

I'm confused what could be the problem.

mail.log snippet

Sep 21 00:44:07 host postfix/smtp[16678]: 664733EE1C: to=bhasnc@hotmail.com, relay=hotmail-com.olc.protection.outlook.com[104.47.51.33]:25, delay=1.2, delays=0.01/0.01/0.96/0.2, dsn=5.7.1, status=bounced (host hotmail-com.olc.protection.outlook.com[104.47.51.33] said: 550 5.7.1 Unfortunately, messages from [172.105.35.227] 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. [BN1NAM02FT027.eop-nam02.prod.protection.outlook.com] (in reply to MAIL FROM command))
Sep 21 00:44:07 host postfix/smtp[16678]: 664733EE1C: lost connection with hotmail-com.olc.protection.outlook.com[104.47.

6 Replies

Have you filed an issue with Linode? I ran into this problem a few months back, and they intervened with Microsoft to get my IP address unblocked. It took maybe a day or two, and emails to Hotmail, Outlook.com, etc. have been delivered without a hitch since then.

Hello, same problem here. I can't seem to send emails to any MS/Outlook/Live/Hotmail/managed by MS accounts, Linode seems to be listed in UCEPROTECTL3.

Is there a way that someone from Linode have a look at this?

Today I've checked 4 Linode and 4 Digitalocean IPs. All blacklisted.

There is one Droplet which does not have a website even. Only Mysql server. Even it has been blacklisted!

Very bad days for us. We are helpless and we are getting screwed

@IgnacioNietoCarvajal

Linode seems to be listed in UCEPROTECTL3.

Linode is always listed in UCEPROTECTL3! UCEPROTECT is an extortion racket. Also, M$ doesn't use it. See the following message threads:

-- sw

Use something like smtp2go.

Reply

Please enter an answer
Tips:

You can mention users to notify them: @username

You can use Markdown to format your question. For more examples see the Markdown Cheatsheet.

> I’m a blockquote.

I’m a blockquote.

[I'm a link] (https://www.google.com)

I'm a link

**I am bold** I am bold

*I am italicized* I am italicized

Community Code of Conduct