IP addresses and DataCenters...

Mar 4, 2021
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I just set up a machine on AWS EC2 with cPanel, it is still in the evaluation time, however when trying to send emails to @hotmail.com returned the following error:

SMTP error from remote mail server after pipelined MAIL FROM:<[email protected]> SIZE=20887: 550 5.7.1 Unfortunately, messages from [IP SERVER] 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 Troubleshooting. [AM5EUR02FT039.eop-EUR02.prod.protection.outlook.com]
I have already made the settings for dkim, dmarc, reverse dns, I sent to other providers, such as gmail.com and I had no problem.

It seems to be something exclusive to Microsoft, has anyone been there? What are the steps to solve?

If I can solve this I will buy the cPanel license to use on EC2 ;)
 

rivermobster

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Dec 16, 2020
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I just set up a machine on AWS EC2 with cPanel, it is still in the evaluation time, however when trying to send emails to @hotmail.com returned the following error:



I have already made the settings for dkim, dmarc, reverse dns, I sent to other providers, such as gmail.com and I had no problem.

It seems to be something exclusive to Microsoft, has anyone been there? What are the steps to solve?

If I can solve this I will buy the cPanel license to use on EC2 ;)
Yep, been there. There should be a link in the return email that directs you what to do.

I don't remember the Exact steps, but you have to contact them though the link they show in the email.

They will for Sure say, there is nothing that can be done. Canned response. Reply to that email and it will open a ticket with them, and you'll get a human response.

They were pretty fair to work with. Once I verified to them I owned the IP address in question, they removed it from their block list.

Follow their instructions exactly. I remember I had to sign up on this: Smart Network Data Services

Good luck!
 
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Mar 4, 2021
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Good morning guys, yesterday after exchanging messages with the Microsoft Outlook team I received the following feedback:

Hello,
My name is Sai and I work with the Outlook.com Deliverability Support Team.
We have implemented mitigation for your IP (x.x.x.x) and this process may take 24 - 48 hours to replicate completely throughout our system.
Sincerely,
Sai
Outlook.com Deliverability Support.
Now I am receiving emails on my @hotmail.com, but they all arrive in the SPAM box, can this be due to the IP being new or some configuration that I did not do correctly? :confused:
 

rivermobster

Well-Known Member
Dec 16, 2020
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Good morning guys, yesterday after exchanging messages with the Microsoft Outlook team I received the following feedback:



Now I am receiving emails on my @hotmail.com, but they all arrive in the SPAM box, can this be due to the IP being new or some configuration that I did not do correctly? :confused:
You did it right...

And they will probably continue to go to spam for awhile. The solution?

Send as many emails to as many people you know. Have those people mark those emails as NOT spam! Eventually it will clear up, but don't hold your breath. It's gonna be awhile.

This place is your friend when it comes to email: MX Lookup Tool - Check your DNS MX Records online - MxToolbox
 
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Mar 4, 2021
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You did it right...

And they will probably continue to go to spam for awhile. The solution?

Send as many emails to as many people you know. Have those people mark those emails as NOT spam! Eventually it will clear up, but don't hold your breath. It's gonna be awhile.

This place is your friend when it comes to email: MX Lookup Tool - Check your DNS MX Records online - MxToolbox
I sent some doubts again about the reason for entering the SPAM box, at the moment I am waiting for a reply.

I tested it by the link you gave me and the result is this:
1617733397001.png

From what I saw I have the dmarc published but it is not activated (DMARC Quarantine / Reject policy not enabled)?

Could you tell me how do I solve it?

Thank's
 

rivermobster

Well-Known Member
Dec 16, 2020
104
25
28
SoCal
cPanel Access Level
Root Administrator
I sent some doubts again about the reason for entering the SPAM box, at the moment I am waiting for a reply.

I tested it by the link you gave me and the result is this:
View attachment 71617

From what I saw I have the dmarc published but it is not activated (DMARC Quarantine / Reject policy not enabled)?

Could you tell me how do I solve it?

Thank's
I'm sure @cPRex can find the instructions link for you quicker than me!
 
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cPRex

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Oct 19, 2014
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I don't know if I have any specific docs for that situation, but there are various values you can include as part of the DMARC record and it seems yours just might not have all of those in place. The options can be found in this section of our documentation:

 
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Mar 4, 2021
11
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You may want to give it the full 48 hours, but if you're in touch with them already you could ask them about that as well.
I got the following feedback from the Microsoft / Outlook team:

Hello,

We have completed our investigation of your sending IP(s) (xxx.xxx.xxx.xxx) and determined that there are no active blocks against it. I do not see anything offhand that would be preventing your mail from reaching our customers.

To investigate further we would request you to provide us with the Logs, Error Message or a proof to show that your email is not delivered.

For more detailed information about best sending practices to Outlook.com users, please review the following white paper: http://download.microsoft.com/downl...a6-497d-9693-78f80be272fb/enhance_deliver.pdf

Sincerely,

Mohan
Outlook.com Deliverability Support
I think that's it for the moment, I haven't tested it with other accounts yet.

Taking advantage of the conversation, a question about the cPanel license, is it possible to pay for the whole year by getting a discount? or is it just monthly amount?

I ask this because I am from Brazil and the value here of the currency is R$ 6 to $ 1 =/

Thank's