1 Topic by adnankhanakib

  • adnankhanakib
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Topic: SMTPS port 465 : Connection time out

==== REQUIRED BASIC INFO OF YOUR IREDMAIL SERVER ====
- iRedMail version (check /etc/iredmail-release): V1.4.0
- Deployed with iRedMail Easy or the downloadable installer? downloadable
- Linux/BSD distribution name and version: Ubuntu 20.04
- Store mail accounts in which backend (LDAP/MySQL/PGSQL): mysql
- Web server (Apache or Nginx): nginx
- Manage mail accounts with iRedAdmin-Pro?
- [IMPORTANT] Related original log or error message is required if you're experiencing an issue.
====


I tried to open port 465 by following iredmail documentation, https://docs.iredmail.org/enable.smtps.html

Thats the error log comes out from wormly (https://www.wormly.com/test-smtp-server … d/Re8KC1GO)


Starting SMTP test of: server1.chirkutt.xyz    0.00s
Resolved IP address to: 199.192.24.2   
Connection: opening to 199.192.24.2:465, timeout=15   
Connection: opened   
<   
SMTP connection established   
> EHLO www.wormly.com   
<   
SMTP ERROR: EHLO command failed:   
> HELO www.wormly.com   
<   
SMTP ERROR: HELO command failed:   
SMTP Error: Timed out after SMTP connection established

----

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

2 Reply by Cthulhu (edited by Cthulhu 2021-08-19 18:47:35)

  • Cthulhu
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Re: SMTPS port 465 : Connection time out

465 is used for SMTP over SSL and is deprecated.
If you want to test it, you need to choose port 25 as it is used by your mailserver to recive mail from foreign mail servers, then it should deliver.

3 Reply by adnankhanakib

  • adnankhanakib
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Re: SMTPS port 465 : Connection time out

Cthulhu wrote:

465 is used for SMTP over SSL and is deprecated.
If you want to test it, you need to choose port 25 as it is used by your mailserver to recive mail from foreign mail servers, then it should deliver.


I have LetsEncrypt ssl, I want to use port 465 over SSL

4 Reply by Cthulhu

  • Cthulhu
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Re: SMTPS port 465 : Connection time out

Why you want to use SSL?
SSL can't be used, even if you want to send mails trough port 465, it needs to be TLS.

Like i said, port 25 is used by your mailserver to recive mail from foreign mail servers, 465 is SMTPS, which is depecated, should not be used at all, and does not work without authentication

5 Reply by ZhangHuangbin

  • ZhangHuangbin
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Re: SMTPS port 465 : Connection time out

Port 465 is smtp over ssl, although it's deprecated but still many companies use it. I suggest you use port 587 (smtp over tls) instead.