swaks

Swiss Army Knife SMTP, the all-purpose SMTP transaction tester. More information: https://github.com/jetmore/swaks/blob/develop/doc/base.pod.

swaks --to user@example.com --server test-server.example.net

swaks --to user@example.com --from me@example.com --auth CRAM-MD5 --auth-user me@example.com --header-X-Test "test_email"

swaks -t user@example.com --attach - --server test-server.example.com --suppress-data path/to/eicar.txt

swaks --to user@example.com --body path/to/gtube_file

swaks --to user@example.com --socket /var/lda.sock --protocol LMTP