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Topic: Cannot send via SMTP after upgrade iRedMail to 1.6.8

==== REQUIRED BASIC INFO OF YOUR IREDMAIL SERVER ====
- iRedMail version (check /etc/iredmail-release): 1.6.8
- Deployed with iRedMail Easy or the downloadable installer? Download - own server
- 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? yes
- [IMPORTANT] Related original log or error message is required if you're experiencing an issue.
====

Aug 22 17:48:33 HDVSa postfix/submission/smtpd[6524]: connect from web1-sailingclubsoftware.dedicated-solution.com[185.136.248.38]
Aug 22 17:48:33 HDVSa postfix/submission/smtpd[6524]: discarding EHLO keywords: CHUNKING
Aug 22 17:48:33 HDVSa postfix/submission/smtpd[6524]: lost connection after STARTTLS from web1-sailingclubsoftware.dedicated-solution.com[185.136.248.38]
Aug 22 17:48:33 HDVSa postfix/cleanup[6494]: 4WqTfn46wgztcww: message-id=<4WqTfn46wgztcww@HDVSa.sedgewick.org>
Aug 22 17:48:33 HDVSa postfix/submission/smtpd[6524]: disconnect from web1-sailingclubsoftware.dedicated-solution.com[185.136.248.38] ehlo=1 starttls=0/1 commands=1/2
Aug 22 17:48:33 HDVSa postfix/qmgr[3673]: 4WqTfn46wgztcww: from=<double-bounce@HDVSa.sedgewick.org>, size=875, nrcpt=1 (queue active)

Client reports error: 4.7.0. TLS not available due to local problem. 

This was working for many years pre update of IRedMail

ALSO roundcube will noyt send mail reporting error: SMTP Error (454) connection to server failed. 

log entries for this failure:

Aug 22 17:54:50 HDVSa postfix/submission/smtpd[7280]: connect from HDVSa.sedgewick.org[127.0.0.1]
Aug 22 17:54:50 HDVSa postfix/submission/smtpd[7280]: discarding EHLO keywords: CHUNKING
Aug 22 17:54:50 HDVSa roundcube: <1iiq1cct> PHP Error: Invalid response code received from server (POST /mail/?_task=mail&_unlock=loading1724345690365&_framed=1&_action=send)
Aug 22 17:54:50 HDVSa postfix/cleanup[7464]: 4WqTp23FYBztcyV: message-id=<4WqTp23FYBztcyV@HDVSa.sedgewick.org>
Aug 22 17:54:50 HDVSa postfix/qmgr[3673]: 4WqTp23FYBztcyV: from=<double-bounce@HDVSa.sedgewick.org>, size=827, nrcpt=1 (queue active)
Aug 22 17:54:50 HDVSa postfix/submission/smtpd[7280]: disconnect from HDVSa.sedgewick.org[127.0.0.1] ehlo=1 starttls=0/1 quit=1 commands=2/3
Aug 22 17:54:50 HDVSa roundcube: <1iiq1cct> SMTP Error: STARTTLS failed: 4.7.0 TLS not available due to local problem (Code: 454) in /opt/www/roundcubemail-1.4.7/program/lib/Roundcube/rcube.php on line 1794 (POST /mail/?_task=mail&_unlock=loading1724345690365&_framed=1&_action=send)


Are the two connected?  Where do I look next?

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

2

Re: Cannot send via SMTP after upgrade iRedMail to 1.6.8

Solved first problem by updating Postix Main.cf file with

smtpd_tls_CAfile entry - was pointing to old directory?

3

Re: Cannot send via SMTP after upgrade iRedMail to 1.6.8

Please make sure you have correct ssl cert / key configured in Postfix.