Re: Message-ID: / In-Reply-To: ID continuity through mail servers

2017-05-05 Thread Viktor Dukhovni
> On May 5, 2017, at 8:16 AM, Richard Sass wrote: > > For a simple example using Postfix and our application as the client sending > will the “Message-ID:” outbound from my application message be retained as > it passes through Postfix, unaltered arriving at the destination mailbox on > the same

Re: Message-ID: / In-Reply-To: ID continuity through mail servers

2017-05-05 Thread Wietse Venema
I suggest that you build on conventions that are valid across multiple mail software implementations, not just Postfix. Of particular interest are In-Reply-To: and References:. Search the web for "site:ietf.org references in-reply-to", and read the documents that come up, in particular RFC 2822 a

Message-ID: / In-Reply-To: ID continuity through mail servers

2017-05-05 Thread Richard Sass
We have a project to write an automated email client which is required to link reply messages sent back in response to its original message, what is the best method to provide this linkage? I am using Postfix (2.11) as my test bed. For a simple example using Postfix and our application as the clie