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| mail:microsoft_ip-sperre_aufheben [2024/03/26 10:47] – Füge Fehlercodes und Fomularlink ein 31.16.68.77 | mail:microsoft_ip-sperre_aufheben [2026/10/06 13:00] (aktuell) – [Kontakt aufnehmen] 195.16.228.206 | ||
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| - | ===== Kontakt aufnehmen ===== | + | Delisting request — IP 194.164.48.221 blocked by Outlook.com/ |
| - | Kontakt kann über zwei Wege erfolgen: | + | Hello, |
| - | * Für Office 365 Konten: https:// | + | |
| - | * Für alle anderen Konten: https:// | + | |
| - | In der Regel wird Microsoft die Entsperrung bei der ersten Anfrage ablehnen. Deine mögliche Antwort darauf könnte so aussehen: | + | I would like to request review/ |
| - | < | + | list. |
| - | Hello, | + | |
| + | Server details: | ||
| + | - Sending IP: 194.164.48.221 | ||
| + | - Hostname (PTR and forward DNS match): web02.kohlweiss.domains | ||
| + | - Mail software: Postfix on Linux (Plesk-managed) | ||
| - | I would like to ask to have 0.0.0.0 considered manually delisted | + | Rejection observed: |
| - | from the outlook.com blocklist. | + | On 2026-10-06 at 08:46:19 UTC, a legitimate message was rejected during |
| - | According to the IP status page with Smart Network Data Services | + | 550 5.7.1 Unfortunately, |
| - | (SNDS), our mail server with the IP address of 0.0.0.0 is | + | |
| - | blocked due to user complaints or other evidence of spamming. | + | http://mail.live.com/ |
| + | | ||
| + | 08DF230D33EB04E7] | ||
| - | In fact the user complaint rate is below 0.1 % for all the days that we | + | Checks performed and findings: |
| - | can retrieve data for (have a look at the attached csv export from | + | - Reviewed |
| - | SNDS). | + | - Reviewed mail logs for the affected period: normal, low outbound volume. No evidence of a compromised |
| + | mailbox, unauthorized relay use, unusual SASL authentications, | ||
| + | - Verified PTR record | ||
| + | DNS (A record) and its SMTP EHLO name. | ||
| + | - Implemented and verified SPF, DKIM (2048-bit RSA), and DMARC for the affected sender domain | ||
| + | | ||
| + | - Confirmed via independent third-party test (mail-tester.com, | ||
| + | pass, and that this IP is not listed on any of 20 common public blocklists, including Spamhaus SBL, XBL, | ||
| + | PBL, and CSS. | ||
| - | As you can sure examine there was never a report | + | Given the very low and normal |
| - | JMRP. | + | authentication, |
| + | it belongs | ||
| + | this server. We would appreciate confirmation of what is required for delisting, and whether this is an | ||
| + | IP-specific listing or a range-level one. | ||
| - | We do believe, however, that this IP is simply being blocked as a | + | The complete SMTP rejection / NDR is attached below for reference. |
| - | consequence of a larger sweep against our service provider. | + | |
| - | The mail server adheres to all Microsoft Policies when delivering email | + | Thank you for your assistance. |
| - | to your mail servers. It's actively monitor with SNDS and JMRP. | + | |
| - | The following technologies are implemented on this server: | + | Regards, |
| - | SPF, DKIM, Mail filtering and scanning for Spam for incomming and outgooing | + | |
| - | mails. | + | |
| - | Additionally, | ||
| - | |||
| - | The mail server 0.0.0.0 is not listed on any public blocklist. The | ||
| - | mail server can deliver email to every other major service provider. | ||
| - | |||
| - | As you see there' | ||
| - | to unblock 0.0.0.0. | ||
| - | |||
| - | Regards, | ||
| - | YOUR_NAME | ||
| - | </ | ||