OK, but then I would verify the cert your are using and would still fix this cert since ssllabs says it is not trusted. 

From: secad...@netsecdesign.com
Sent: June 22, 2019 8:03 AM
To: li...@lazygranch.com; postfix-users@postfix.org
Subject: Re: Unable to send or receive from Gmail

The website for “netsecdesign.com” is different than the one for my postfix gateway.  Different machine, different IP address, different cert.

 

 

From: <owner-postfix-us...@postfix.org> on behalf of lists <li...@lazygranch.com>
Date: Friday, June 21, 2019 at 10:13 PM
To: Security Admin <secad...@netsecdesign.com>, "postfix-users@postfix.org" <postfix-users@postfix.org>
Subject: Re: Unable to send or receive from Gmail

 

If you are netsecdesign.com, ssllabs says your cert has issues. Not that this may be your problem, but I would fix that first. 

 

Sent: June 21, 2019 9:19 PM

Subject: Unable to send or receive from Gmail

 

Within the last week or so I am suddenly unable to send or receive from Google Gmail.  Any help with this issue would be appreciated.

 

Receive Error from mail.log:

 

Jun 21 20:59:26 portus postfix/smtpd[3726]: SSL_accept:SSLv3/TLS write certificate

Jun 21 20:59:26 portus postfix/smtpd[3726]: SSL_accept:TLSv1.3 write server certificate verify

Jun 21 20:59:26 portus postfix/smtpd[3726]: SSL_accept:SSLv3/TLS write finished

Jun 21 20:59:26 portus postfix/smtpd[3726]: SSL_accept:TLSv1.3 early data

Jun 21 20:59:26 portus postfix/smtpd[3726]: SSL3 alert read:fatal:illegal parameter

Jun 21 20:59:26 portus postfix/smtpd[3726]: SSL_accept:error in error

Jun 21 20:59:26 portus postfix/smtpd[3726]: SSL_accept error from mail-wm1-f52.google.com[209.85.128.52]: -1

Jun 21 20:59:26 portus postfix/smtpd[3726]: warning: TLS library problem: error:14094417:SSL routines:ssl3_read_bytes:sslv3 alert illegal parameter:../ssl/record/rec_layer_s3.c:1528:SSL alert number 47:

Jun 21 20:59:26 portus postfix/smtpd[3726]: lost connection after STARTTLS from mail-wm1-f52.google.com[209.85.128.52]

Jun 21 20:59:26 portus postfix/smtpd[3726]: disconnect from mail-wm1-f52.google.com[209.85.128.52] ehlo=1 starttls=0/1 commands=1/2

 

 

 

 

Send Error from mail.log:

 

Jun 21 21:05:47 portus postfix/smtpd[3726]: SSL_accept:SSLv3/TLS write certificate

Jun 21 21:05:47 portus postfix/smtpd[3726]: SSL_accept:TLSv1.3 write server certificate verify

Jun 21 21:05:47 portus postfix/smtpd[3726]: SSL_accept:SSLv3/TLS write finished

Jun 21 21:05:47 portus postfix/smtpd[3726]: SSL_accept:TLSv1.3 early data

Jun 21 21:05:47 portus postfix/smtpd[3726]: SSL3 alert read:fatal:illegal parameter

Jun 21 21:05:47 portus postfix/smtpd[3726]: SSL_accept:error in error

Jun 21 21:05:47 portus postfix/smtpd[3726]: SSL_accept error from mail-pl1-f180.google.com[209.85.214.180]: -1

Jun 21 21:05:47 portus postfix/smtpd[3726]: warning: TLS library problem: error:14094417:SSL routines:ssl3_read_bytes:sslv3 alert illegal parameter:../ssl/record/rec_layer_s3.c:1528:SSL alert number 47:

Jun 21 21:05:47 portus postfix/smtpd[3726]: lost connection after STARTTLS from mail-pl1-f180.google.com[209.85.214.180]

Jun 21 21:05:47 portus postfix/smtpd[3726]: disconnect from mail-pl1-f180.google.com[209.85.214.180] ehlo=1 starttls=0/1 commands=1/2

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