Are you sure you don’t want to do this in the MUA? In Thunderbird, for example, you just create multiple identities and they are automatically used in exactly the way you describe… you can even have a different signature for each ‘From’ address.
-- Merlin Hartley IT Systems Engineer MRC Mitochondrial Biology Unit Wellcome Trust/MRC Building Cambridge Biomedical Campus Cambridge CB2 0XY UK > On 3 Mar 2015, at 02:56, helices <[email protected]> wrote: > > I am tasked to design, build and maintain a new MTA. The company has one > special requirement, for which I'm investigating the simplest solution: > > For each incoming message received, every outgoing "reply" must use the "To:" > address from the incoming received message as the "From:" address in the > outgoing reply. > > This is trivial when the incoming has "To: [email protected]," Sally reads and > replies, and the outgoing message has "From: [email protected]" > > It's trickier when the incoming has "To: [email protected]," the MTA delivers > to an Exchange server, which distributes that message to Sally, and Sally > replies. What is the simplest way for that outgoing message to use "From: > [email protected]?" > > Scope is roughly one hundred (100) different domains and, possibly, thousands > of combinations with various [email protected]. > > Ideally, the MTA will handle all of header address processing, whatever that > process might look like. I seek the simplest solution, regardless how that > process looks and compares to the status quo. > > Please, advise. Thank you. > > ~Mike > > -- > ## List details at https://lists.exim.org/mailman/listinfo/exim-users > ## Exim details at http://www.exim.org/ > ## Please use the Wiki with this list - http://wiki.exim.org/ -- ## List details at https://lists.exim.org/mailman/listinfo/exim-users ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://wiki.exim.org/
