Re: Authentication issues

2013-08-23 Thread Scott Kitterman
On Friday, August 23, 2013 15:38:38 David Hulsebus wrote: > I apologize in advance for the long post. I started working for a small ISP > with around 3000 mailboxes and inherited a Postfix server that I've been > auditing. It's based on Ubuntu 8.04 LTS, Postfix 2.51, and runs Courier for > pop and

Re: Authentication issues

2013-08-23 Thread DTNX Postmaster
On Aug 23, 2013, at 21:38, David Hulsebus wrote: > I apologize in advance for the long post. I started working for a small ISP > with around 3000 mailboxes and inherited a Postfix server that I've been > auditing. It's based on Ubuntu 8.04 LTS, Postfix 2.51, and runs Courier for > pop and imap a

Re: Authentication issues

2013-08-23 Thread Wietse Venema
David Hulsebus: > But without the ability to use CRAM-MD5, DIGEST-MD5, NTLM, how can > I use TLS to make the connection and authorize the clients? TLS (formerly known as SSL) encrypts the SMTP session. This uses the STARTTLS command. SASL authenticates the user. This uses the AUTH command. With