1 Topic by afnbcc

  • afnbcc
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  • Registered: 2018-02-10
  • Posts: 2

Topic: Yahoo status=deferred

==== Required information ====
- iRedMail version (check /etc/iredmail-release): 0.9.7 MARIADB edition.
- Linux/BSD distribution name and version: 4.4.0-116-generic #140-Ubuntu SMP Mon Feb 12 21:23:04 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
- Store mail accounts in which backend (LDAP/MySQL/PGSQL): MySQL
- Web server (Apache or Nginx): Nginx
- Manage mail accounts with iRedAdmin-Pro? yes
- [IMPORTANT] Related original log or error message is required if you're experiencing an issue.
====
Hello,
When sending emails to yahoo accounts, i'm getting below error:
Mar 13 19:06:55 hostname  postfix/smtp[9927]: 6413421DF7: to=<email@yahoo.com>, relay=mta7.am0.yahoodns.net[98.136.102.55]:25, delay=4736, delays=4735/0.09/1.4/0.09, dsn=4.7.0, status=deferred (host mta7.am0.yahoodns.net[98.136.102.55] said: 421 4.7.0 [TSS04] Messages from x.x.x.x 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))

Any idea how to solve this?
So far we have this issue with yahoo.

Best/
afn-bcc

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2 Reply by craig

  • craig
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  • From: Canada
  • Registered: 2013-09-04
  • Posts: 271

Re: Yahoo status=deferred

This generally means that you may have a compromised email account on your server.

You should start by reading the page at the link in the error message.

Then you need to find which account it is that is spamming and disable it, or change the password and ensure that the user of that account scans his/her machines and devices for viruses that may have caused the account to be compromised. Only *then* should you re-enable the account, but do not allow the user to re-use the same password.

Once the spam stops Yahoo will automatically start accepting email from your server again after about four hours, although in my experience it's more like 24-48 hours.

Trying to contact Yahoo about it is pointless. They will just tell you (if they even reply)  to stop the spam coming from your server.