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I have been trying to send mail using Laravel. I have been successful in integrating Mailgun/SparkPost in my application. It is sending mail to every other domain except for Hotmail/Outlook/MSN/Live. Somehow they are saying that the IP I am trying to send mail from is on their blocked list.
This is the error message i keep on getting:
Failed: [email protected] → [email protected] 'User Verification Reminder Mail' Server response: 550 5.7.1 Unfortunately, messages from [184.173.153.200] 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. [HE1EUR01FT063.eop-EUR01.prod.protection.outlook.com]
When I tried to reach out to Hotmail's support and explained my issue to them, this is the reply I got from them.
Dear Abdur Rehman Kazmi
We have completed reviewing the IP(s) you submitted. The following table contains the results of our investigation.
Not qualified for mitigation 184.173.153.200 Our investigation has determined that the above IP(s) do not qualify for mitigation. These IP(s) have previously received mitigations from deliverability support, and have failed to maintain patterns within our guidelines, so they are ineligible for additional mitigation at this time.
Please ensure your emails comply with the Outlook.com policies, practices and guidelines found here: http://mail.live.com/mail/policies.aspx.
To have Deliverability Support investigate further, please reply to this email with a detailed description of the problem you are having, including specific error messages, and an agent will contact you.
Regardless of the deliverability status, Outlook.com recommends that all senders join two free programs that provide visibility into the Outlook.com traffic on your sending IP(s), the sending IP reputation with Outlook.com and the Outlook.com user complaint rates.
Junk Email Reporting program (JMRP) When an Outlook.com user marks an email as "junk", senders enrolled in this program get a copy of the mail forwarded to the email address of their choice. It allows senders to see which mails are being marked as junk and to identify mail traffic you did not intend to send. To join, please visit http://support.msn.com/eform.aspx?productKey=edfsjmrpp&page=support_home_options_form_byemail&ct=eformts.
Smart Network Data Services program (SNDS). This program allows you to monitor the ‘health’ and reputation of your registered IPs by providing data about traffic such as mail volume and complaint rates seen originating from your IPs. To register, please visit http://postmaster.live.com/snds/.
There is no silver bullet to maintaining or improving good IP reputation, but these programs help you proactively manage your email eco-system to help better ensure deliverability to Outlook.com users.
I am using Laravel 5.4 and i am able to send mails to every other network i.e gmail/yahoo
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If Hotmail is rejecting emails, they have detected unwanted activity from your server. While there are many reasons that Hotmail may block your email, the most common reasons are: Your email volume changed significantly or quickly. You are sending emails from a new IP address.
Mailgun lets you measure the business impact of your email campaigns with a/b testing, using tags on your email templates for real-time analytics. Know how your messages are rendering on different desktop clients like Outlook, Gmail, and more.
There is a limit of 300 messages per day on the included sandbox domain. Data retention for Logs and the Events API is 1 day. You cannot create custom domains. You can only send to Authorized Recipients; and there is a maximum of 5 Authorized Recipients.
Mailgun is a leading provider of email API services you can use to send, validate, and receive emails through your domain at scale. It also lets you track the performance of your sent emails with robust open, click, bounce, and delivery tracking.
Seems like there is some problem with the IpAddress that Mailgun assigns you.
All I had to do was to go into the domain i setup at Mailgun there was an IP address assigned to my domain. I removed it. It assigned me a new one and done.
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