Re: ipv6 tls smtp connection failing

2013-08-17 Thread Higuita
Hi On Wed, 14 Aug 2013 19:34:25 +0200, Bernhard Schmidt > Your description sounds suspiciously like a Path-MTU discovery issue. > Without TLS the server will never send a large packet towards you, but > when you enable TLS it has to send its certificate, which is often > larger than 1500 Bytes.

Re: ipv6 tls smtp connection failing

2013-08-16 Thread Viktor Dukhovni
On Tue, Aug 13, 2013 at 07:57:47PM +0100, higuita wrote: > I have a small mail server, with ipv6 and i relay the email to > my ISP mail server. Their mail server have now ipv6, yet every > time my postfix tries to connect to their server it gives timeout: > > Aug 13 12:51:27 paquete postfix/smtp

Re: ipv6 tls smtp connection failing

2013-08-14 Thread Bernhard Schmidt
Hello, I have a small mail server, with ipv6 and i relay the email to my ISP mail server. Their mail server have now ipv6, yet every time my postfix tries to connect to their server it gives timeout: Aug 13 12:51:27 paquete postfix/smtp[25083]: SSL_connect error to smtp.sapo.pt[2001:8a0:2104:ff

ipv6 tls smtp connection failing

2013-08-13 Thread higuita
Hi I have a small mail server, with ipv6 and i relay the email to my ISP mail server. Their mail server have now ipv6, yet every time my postfix tries to connect to their server it gives timeout: Aug 13 12:51:27 paquete postfix/smtp[25083]: SSL_connect error to smtp.sapo.pt[2001:8a0:2104:ff:21