This patch adds some tooling and scripts to generate test coverage
information.
Unfortunately, this involves some hacks as Go does not have support for
generating coverage-enabled binaries, or merging coverage reports; but
overall it's not very intrusive.
The mda-lmtp tests are missing a file in the repository, which causes the
test to fail. This went unnoticed because they are not included in the
automated test suite, which will be fixed in a follow-up patch.
This patch adds the mising test file, with a harder to miss name.
Either the recipient or from addresses can be "<>" to indicate the null
address. mda-lmtp does not handle that well, as it sends "<<>>" which is
invalid.
This patch fixes that by special-casing them, which is unfortunate but
reasonably common.
mda-lmtp is a very basic MDA that uses LMTP to do the mail delivery.
It takes command line arguments similar to maildrop or procmail, reads an
email via standard input, and sends it over the given LMTP server.
Supports connecting to LMTP servers over UNIX sockets and TCP.
Since chasquid does not support direct LMTP local delivery, this can be
used as a workaround instead.
Example of use:
$ mda-lmtp --addr localhost:1234 -f juan@casa -d jose < email
