<html><head><meta http-equiv="content-type" content="text/html; charset=us-ascii"></head><body style="overflow-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;"><div><div style="font-size: 12pt; margin: 0cm 0cm 0.0001pt; font-family: "Times New Roman", serif;">I try to logon to map using dovecot with SSL required. I get following entries in the log:<span style="font-size: 12pt;">Mar 20 13:49:30 auth: Debug: Loading modules from directory: /opt/lib/dovecot/modules/auth</span></div><div style="font-size: 12pt; margin: 0cm 0cm 0.0001pt; font-family: "Times New Roman", serif;">Mar 20 13:49:30 auth: Debug: Module loaded: /opt/lib/dovecot/modules/auth/lib20_auth_var_expand_crypt.so</div><div style="font-size: 12pt; margin: 0cm 0cm 0.0001pt; font-family: "Times New Roman", serif;">Mar 20 13:49:30 auth: Debug: Read auth token secret from /opt/var/run/dovecot/auth-token-secret.dat</div><div style="font-size: 12pt; margin: 0cm 0cm 0.0001pt; font-family: "Times New Roman", serif;">Mar 20 13:49:30 auth: Debug: passwd-file /opt/etc/dovecot/userdb:Read 1 users in 0 secs</div><div style="font-size: 12pt; margin: 0cm 0cm 0.0001pt; font-family: "Times New Roman", serif;">Mar 20 13:49:30 auth: Debug: auth client connected (pid=26120)</div><div style="font-size: 12pt; margin: 0cm 0cm 0.0001pt; font-family: "Times New Roman", serif;">Mar 20 13:49:30 imap-login: Error: Failed to initialize SSL server context: Can't load SSL certificate (ssl_cert setting): error:12800067:DSO support routines::could not load the shared library: filename(libz.so): libz.so: cannot open shared object file: No such file or directory, error:12800067:DSO support routines::could not load the shared library: user=<>, rip=192.168.117.5, lip=192.168.117.2, session=<eX3e+Uv3k8DAqHUF></div><div style="font-size: 12pt; margin: 0cm 0cm 0.0001pt; font-family: "Times New Roman", serif;">Mar 20 13:49:30 imap-login: Info: Disconnected: TLS initialization failed. (no auth attempts in 0 secs): user=<>, rip=192.168.117.5, lip=192.168.117.2, session=<eX3e+Uv3k8DAqHUF</div><div style="font-size: 12pt; margin: 0cm 0cm 0.0001pt; font-family: "Times New Roman", serif;"><br></div><div style="font-size: 12pt; margin: 0cm 0cm 0.0001pt; font-family: "Times New Roman", serif;">The library files exist in the include directory</div><div style="margin: 0cm 0cm 0.0001pt;"><font face="Times New Roman" size="3">[/opt] # find . -name libz* -print</font></div>
<p style="margin: 0px; font-stretch: normal; line-height: normal;"><span style="font-variant-ligatures: no-common-ligatures"><font face="Times New Roman" size="3">./lib/opkg/info/libzstd.control</font></span></p>
<p style="margin: 0px; font-stretch: normal; line-height: normal;"><span style="font-variant-ligatures: no-common-ligatures"><font face="Times New Roman" size="3">./lib/opkg/info/libzstd.list</font></span></p>
<p style="margin: 0px; font-stretch: normal; line-height: normal;"><span style="font-variant-ligatures: no-common-ligatures"><font face="Times New Roman" size="3">./lib/libz.so</font></span></p>
<p style="margin: 0px; font-stretch: normal; line-height: normal;"><span style="font-variant-ligatures: no-common-ligatures"><font face="Times New Roman" size="3">./lib/libz.so.1</font></span></p>
<p style="margin: 0px; font-stretch: normal; line-height: normal;"><span style="font-variant-ligatures: no-common-ligatures"><font face="Times New Roman" size="3">./lib/libz.so.1.2.13</font></span></p>
<p style="margin: 0px; font-stretch: normal; line-height: normal;"><span style="font-variant-ligatures: no-common-ligatures"><font face="Times New Roman" size="3">./lib/libzstd.so</font></span></p>
<p style="margin: 0px; font-stretch: normal; line-height: normal;"><span style="font-variant-ligatures: no-common-ligatures"><font face="Times New Roman" size="3">./lib/libzstd.so.1</font></span></p>
<p style="margin: 0px; font-stretch: normal; line-height: normal;"><span style="font-variant-ligatures: no-common-ligatures"><font face="Times New Roman" size="3">./lib/libzstd.so.1.5.2</font></span></p>
<p style="margin: 0px; font-stretch: normal; line-height: normal;"><span style="font-variant-ligatures: no-common-ligatures"><font face="Times New Roman" size="3">./lib/libz.a</font></span></p><p style="margin: 0px; font-stretch: normal; line-height: normal;"><span style="font-variant-ligatures: no-common-ligatures"><font face="Times New Roman" size="3"><br></font></span></p><p style="margin: 0px; font-stretch: normal; line-height: normal;"><font face="Times New Roman"><font size="3">Have the dovecot settings the same on other servers and it works, Dovecot is </font></font><font face="Times New Roman" size="3">v2.3.18, installed from Entware for QNAP. Any help appreciated.</font></p><p style="margin: 0px; font-stretch: normal; line-height: normal;"><font face="Times New Roman" size="3">Horst </font></p><p style="margin: 0px; font-stretch: normal; line-height: normal;"><font face="Times New Roman" size="3"><br></font></p><div><span style="font-variant-ligatures: no-common-ligatures"><br></span></div></div></body></html>