Hello Thomas,

 

We work ASSP for long time, about two years,  problemlos. Version
2.6.1.build 19007.

Since Friday 8.3.2019, access by port 587 freezes time to time. Only assp
restart helps.



assp.cfg:

listenPort:=25

smtpDestination:=[::1]:125

smtpDestinationRT:=

smtpLocalIPAddress:=

listenPortSSL:=465

smtpDestinationSSL:=127.0.0.1:565

listenPort2:=587

smtpAuthServer:=SSL:127.0.0.1:465

 

Our log:

..

Mar-11-19 08:23:03 *** 127.0.0.1:465 using SSL didn't work, trying others...
- Resource temporarily unavailable

Mar-11-19 08:23:03 Error: couldn't create server socket to SSL:127.0.0.1:465
-- aborting connection

Mar-11-19 08:23:03 [SMTP Status] 421 <gama.datac.cz> service temporarily
unavailable, closing transmission

...

Mar-11-19 08:29:46 Error: Worker_2 accept_SSL to client ::ffff:127.0.0.1
denied - the client failed before on SSL/TLS

Mar-11-19 08:29:46 *** 127.0.0.1:465 using SSL didn't work, trying others...
- Connection reset by peer

Mar-11-19 08:29:46 Error: couldn't create server socket to SSL:127.0.0.1:465
-- aborting connection

Mar-11-19 08:29:46 [SMTP Status] 421 <gama.datac.cz> service temporarily
unavailable, closing transmission

...

Mar-11-19 08:36:34 Error: Worker_4 accept_SSL to client ::ffff:127.0.0.1
denied - the client failed before on SSL/TLS

Mar-11-19 08:36:34 *** 127.0.0.1:465 using SSL didn't work, trying others...
- Connection reset by peer

Mar-11-19 08:36:34 Error: couldn't create server socket to SSL:127.0.0.1:465
-- aborting connection

Mar-11-19 08:36:34 [SMTP Status] 421 <gama.datac.cz> service temporarily
unavailable, closing transmission

Mar-11-19 08:36:36 Error: Worker_4 accept_SSL to client ::ffff:127.0.0.1
denied - the client failed before on SSL/TLS

Mar-11-19 08:36:36 *** 127.0.0.1:465 using SSL didn't work, trying others...
- Connection reset by peer

Mar-11-19 08:36:36 Error: couldn't create server socket to SSL:127.0.0.1:465
-- aborting connection

Mar-11-19 08:36:36 [SMTP Status] 421 <gama.datac.cz> service temporarily
unavailable, closing transmission

..

 

After restart:

Mar-11-19 09:53:14 Net::SMTP::SSL module version 1.02 installed and
available

Mar-11-19 09:53:14 IO::Socket::SSL module version 2.044 installed - https
and TLS/SSL is possible

Mar-11-19 09:53:14 Found valid certificate and private key file - https and
TLS/SSL is available

Mar-11-19 09:53:14 The underlying SSL library Net::SSLeay version 1.80 uses
OpenSSL 1.1.1b  26 Feb 2019

Mar-11-19 09:53:14 SSL_read_ahead will be used

Mar-11-19 09:53:55 Info: new SSL-Server-Context created for SMTP connections

Mar-11-19 09:53:55 Listening for SMTPS (SSL) connections on SSL[::]::465

Mar-11-19 09:53:55 Info: new SSL-Server-Context created for WEB connections

Mar-11-19 09:53:55 Listening for admin HTTPS connections on SSL[::]::55555

Mar-11-19 09:53:55 Info: new SSL-Server-Context created for STAT connections

Mar-11-19 09:53:55 Listening for stat HTTPS connections on SSL[::]::55553

Mar-11-19 09:53:55 Info: SSL-layer receive buffer is 16384 byte

Mar-11-19 09:53:55 Info: SSL-layer send buffer is 16384 byte

Mar-11-19 09:54:02 Info: new SSL-Server-Context created for SMTP connections

Mar-11-19 09:54:02 Info: new SSL-Client-Context created for ::1:125

Mar-11-19 09:54:08 Info: new SSL-Client-Context created for ::1:125

Mar-11-19 09:54:10 Info: new SSL-Client-Context created for ::1:125

Mar-11-19 09:54:50 Info: new SSL-Client-Context created for 127.0.0.1:465

Mar-11-19 09:54:50 Info: new SSL-Server-Context created for SMTP connections

Mar-11-19 09:54:51 Info: new SSL-Client-Context created for ::1:125

....

 

Please, let me know where is problem? Any connection limit? Buffer setting?

 

Thank you very much

 

Jiri Lorman

Datac spol. s r. o.

 

 

 

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