Mails (MSN, Hotmail) sent from Murena blocked by Microsoft

/e/ version: NA
Device model(s): NA
Developer mode enabled: yes/no NA
Device rooted: yes/no NA
Trackers blocker enabled: yes/no NA

Summary

Issue as shared by a user on the forum:

Mail sent from murena to @hotmail.fr and @msn.com IDs is being blocked.

The problem

Steps to reproduce Send a mail from murena to @hotmail.fr and @msn.com

Issue raised on the forum

What is the current behavior?

It gets blocked ....check error log given below.

What is the expected correct behavior?

User should be able to send the mail

Technical informations

Relevant logs (adb logcat)

Here are the error messages :

xxxxx@hotmail.fr: host eur.olc.protection.outlook.com[52.101.73.25] said:
550 5.7.1 Unfortunately, messages from [135.181.139.185] weren’t sent.
Please contact your Internet service provider since part of their network
is on our block list (S3150). You can also refer your provider to
Troubleshooting. [Name=Protocol
Filter Agent][AGT=PFA][MxId=11BA1B18065D0C11]
[AM2PEPF0001C716.eurprd05.prod.outlook.com 2024-11-28T10:20:54.765Z
08DD0D8C07A7E53B] (in reply to MAIL FROM command)

yyyyyy@msn.com: host msn-com.olc.protection.outlook.com[52.101.11.8]
said: 550 5.7.1 Unfortunately, messages from [135.181.139.185] weren’t
sent. Please contact your Internet service provider since part of their
network is on our block list (S3150). You can also refer your provider to
Troubleshooting. [Name=Protocol
Filter Agent][AGT=PFA][MxId=11BA1A6B47590713]
[SN1PEPF0002636B.namprd02.prod.outlook.com 2024-11-28T10:20:55.922Z
08DD0D35A7B68747] (in reply to MAIL FROM command)

Relevant screenshots

Solutions

Workaround

Possible fixes