1 Topic by bolort (edited by bolort 2018-05-09 17:20:31)

  • bolort
  • Member
  • Offline
  • Registered: 2018-05-09
  • Posts: 4

Topic: Sending but not received email

Hello all
email not sending but few hours later "Undelivered Mail Returned to Sender" email come back

Please help me?
thank you


==== Required information ====
- iRedMail version (check /etc/iredmail-release): 0.9.2
- Linux/BSD distribution name and version: Ubuntu 14.04
- Store mail accounts in which backend (LDAP/MySQL/PGSQL): MySQL
- Web server (Apache or Nginx): Apache
- Manage mail accounts with iRedAdmin-Pro? Yes
- [IMPORTANT] Related original log or error message is required if you're experiencing an issue.
====

Post's attachments

email undelivered.png 46.32 kb, file has never been downloaded. 

You don't have the permssions to download the attachments of this post.

----

Spider Email Archiver: On-Premises, lightweight email archiving software developed by iRedMail team. Supports Amazon S3 compatible storage and custom branding.

2 Reply by ZhangHuangbin

  • ZhangHuangbin
  • ZhangHuangbin
  • iRedMail Developers
  • Offline
  • Registered: 2009-05-06
  • Posts: 30,793

Re: Sending but not received email

Does your ISP block port 25?

3 Reply by bolort (edited by bolort 2018-05-10 09:43:16)

  • bolort
  • Member
  • Offline
  • Registered: 2018-05-09
  • Posts: 4

Re: Sending but not received email

ZhangHuangbin wrote:

Does your ISP block port 25?

I checked it is open.

domain is mail.ehemut.mn
I checked it on mxtoolbox.com
Error:          No DMARC Record found
                   DNS Record not found

4 Reply by bolort (edited by bolort 2018-05-11 17:20:50)

  • bolort
  • Member
  • Offline
  • Registered: 2018-05-09
  • Posts: 4

Re: Sending but not received email

ZhangHuangbin wrote:

Does your ISP block port 25?

is it possible ?
i checked on http://ping.eu site                 25 port is open
but ISP is its closed

what i do now?
Pls help me

5 Reply by bolort

  • bolort
  • Member
  • Offline
  • Registered: 2018-05-09
  • Posts: 4

Re: Sending but not received email

ZhangHuangbin wrote:

Does your ISP block port 25?

Pls help me?

6 Reply by selea

  • selea
  • selea
  • Member
  • Offline
  • Registered: 2017-06-02
  • Posts: 111

Re: Sending but not received email

bolort wrote:
ZhangHuangbin wrote:

Does your ISP block port 25?

I checked it is open.

domain is mail.ehemut.mn
I checked it on mxtoolbox.com
Error:          No DMARC Record found
                   DNS Record not found

There is no A record for mail.ehemut.mn. Set it up