Re: [courier-users] extension addresses

Hi

oops, sorry if I was unclear, can I blame it on the holidaze? the below
is exactly what I'm working with. heh.


General Prerequisites

Extension Addresses

TMDA is heavily based on user "extension addresses" (e.g,
username+extension@yourdomain.dom
<mailto:username+extension@yourdomain.dom>), and your MTA must be able
to understand them. Some of the supported MTAs do by default, others
must be configured to do so.

The character that separates the username from the extension in an
extension address is often called the "recipient delimiter". The most
popular choices are '''+''' and '''-''', although the hyphen is
recommended
<http://wiki.tmda.net/TmdaFaq#head-93eda22a9533714e4d93da9e7bac60df959bf8f6>.
TMDA can support any recipient delimiter character though, just make
sure you use the same character for your *RECIPIENT_DELIMITER* setting
in *~/.tmda/config*.

Environment Variables

TMDA receives much of its information about the envelope of an incoming
message from environment variables set by the MTA. Most importantly,
*SENDER* (the full envelope sender address), *RECIPIENT* (the full
envelope recipient address), and *EXT* or *EXTENSION* (the recipient
address extension). In order to be reliable, TMDA needs these /real/
sender and recipient values. It can't rely on what might be in the To:
or From: headers.

To use TMDA, you must make sure these variables are properly set by the
time TMDA sees the message. TMDA expects these variables to be in the
following format:

SENDER=sender@somedomain.dom
RECIPIENT=recipient+foo@yourdomain.dom
EXTENSION=foo

That is, just the e-mail address or recipient address extension, with no
trailing or leading whitespace, or any other extraneous characters. As
with extension addresses, some MTAs set these variables by default,
others must be configured to do so.


Sam Varshavchik wrote:

> Julie S. Lin writes:
>
>> Hi
>>
>> i'm having problems finding documentation on how to enable /verify
>> that my courier configuration supports extension addresses & is
>> setting environment variables correctly. i'm trying to get tmda set up.
>>
>> i'm running courier-0.52.2. can someone point me in the right
>> direction? I'd greatly appreciate it. thanks.
>
>
> Define "extension address". Define "setting environment variables
> correctly".
>
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