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Topic: [ Got ip banned from outlook server and yahoo server

==== REQUIRED BASIC INFO OF YOUR IREDMAIL SERVER ====
- iRedMail version (check /etc/iredmail-release): upgraded from 0.99 to 1.2
- Deployed with iRedMail Easy or the downloadable installer? downloadable installer
- Linux/BSD distribution name and version:  Ubuntu 18.04
- Store mail accounts in which backend (LDAP/MySQL/PGSQL): MySQL
- Web server (Apache or Nginx):Nginx
- Manage mail accounts with iRedAdmin-Pro? no
- [IMPORTANT] Related original log or error message is required if you're experiencing an issue.
====
Hi, ZhangHuangbin, i just recently got a problem about iredmail server, somehow I got banned from yahoo mail server and outlook mail server, i have searched some option to resolve such as

- set DMRAC on DNS
- set DKIM key on DNS
- set SPF on DNS
- Set PTR for rDNS
- check reported spam for my email at Spamhaus and got clear.
- check on mail tester and got 10/10 for email, you can check here for result here

and still, I got banned from those mail providers. this log from mail.log that says i got deferred from outlook and yahoo

May 16 14:20:47 mail postfix/smtp[10477]: 49P8ZS2PxSzFbT3: lost connection with mta7.am0.yahoodns.net[98.136.96.74] while sending RCPT TO
May 16 14:20:48 mail postfix/smtp[10478]: Trusted TLS connection established to mta7.am0.yahoodns.net[67.195.204.72]:25: TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)
May 16 14:20:48 mail postfix/smtp[10477]: Trusted TLS connection established to mta5.am0.yahoodns.net[67.195.228.109]:25: TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)
May 16 14:20:48 mail postfix/smtp[10476]: Trusted TLS connection established to mta7.am0.yahoodns.net[98.136.96.91]:25: TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)
May 16 14:20:48 mail postfix/smtp[10478]: 49LLPN312fzFbT9: to=<xxx@yahoo.com>, relay=mta7.am0.yahoodns.net[67.195.204.72]:25, delay=412248, delays=412245/0.03/3.2/0.23, dsn=4.7.0, status=deferred (host mta7.am0.yahoodns.net[67.195.204.72] said: 421 4.7.0 [TSS04] Messages from [my ip] temporarily deferred due to user complaints - 4.16.55.1; see https://help.yahoo.com/kb/postmaster/SLN3434.html (in reply to MAIL FROM command))
May 16 14:10:53 mail postfix/qmgr[7480]: 49PGdn3kJ9zFbSm: from=<postmaster@domain.com, size=2023, nrcpt=1 (queue active)
May 16 14:10:53 mail amavis[735]: (00735-06) Passed CLEAN {RelayedInternal}, ORIGINATING/MYNETS LOCAL [127.0.0.1]:51538 <postmaster@domain.com> -> <user@outlook.com>, Queue-ID: 49PGdm3L44zFbSh, Message-ID: <1187f356ca7132ff89e72475d002f9f3@domain>, mail_id: wLqb8fcng0NY, Hits: -0.999, size: 823, queued_as: 49PGdn3kJ9zFbSm, dkim_new=dkim:domain.com, 994 ms, Tests: [ALL_TRUSTED=-1,URIBL_BLOCKED=0.001]
May 16 14:10:53 mail postfix/amavis/smtp[9450]: 49PGdm3L44zFbSh: to=<fajar.hardianto1995@outlook.com>, relay=127.0.0.1[127.0.0.1]:10026, delay=1.1, delays=0.1/0.01/0.01/1, dsn=2.0.0, status=sent (250 2.0.0 from MTA(smtp:[127.0.0.1]:10025): 250 2.0.0 Ok: queued as 49PGdn3kJ9zFbSm)
May 16 14:10:54 mail postfix/smtp[9426]: 49PGdn3kJ9zFbSm: to=<user@outlook.com>, relay=outlook-com.olc.protection.outlook.com[104.47.18.225]:25, delay=0.82, delays=0.01/0/0.62/0.18, dsn=5.7.1, status=bounced (host outlook-com.olc.protection.outlook.com[104.47.18.225] said: 550 5.7.1 Unfortunately, messages from [my ip] 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 http://mail.live.com/mail/troubleshooting.aspx#errors. [VI1EUR06FT042.eop-eur06.prod.protection.outlook.com] (in reply to MAIL FROM command))
May 16 14:10:54 mail postfix/smtp[9426]: 49PGdn3kJ9zFbSm: lost connection with outlook-com.olc.protection.outlook.com[104.47.18.225] while sending RCPT TO
May 16 14:10:54 mail postfix/cleanup[9444]: 49PGdp2WZkzFbSn: message-id=<49PGdp2WZkzFbSn@mail.domain.com>
May 16 14:10:54 mail postfix/qmgr[7480]: 49PGdp2WZkzFbSn: from=<>, size=4831, nrcpt=1 (queue active)
May 16 14:10:54 mail postfix/bounce[9469]: 49PGdn3kJ9zFbSm: sender non-delivery notification: 49PGdp2WZkzFbSn
May 16 14:10:54 mail postfix/qmgr[7480]: 49PGdn3kJ9zFbSm: removed

thanks for reply

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Re: [ Got ip banned from outlook server and yahoo server

Check which DNSBL services block your IP address, then request to unblock it:
https://mxtoolbox.com

----

Does my reply help a little? How about buying me a cup of coffee ($5) as an encouragement?

buy me a cup of coffee

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Re: [ Got ip banned from outlook server and yahoo server

thanks for relpy. i have check on mxtoolbox and i got clear from all DNSBL Services.
DNSBL Blacklist check

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Re: [ Got ip banned from outlook server and yahoo server

Check your domain and IP in https://talosintelligence.com/ database. I've been clear on DNSRBLs but had my reputation dinged by one bad server before.