net-libs/libesmtp
Lib that implements the client side of the SMTP protocol
USE Flags
ssl
Global: Adds support for Secure Socket Layer connections
Local: Enable support for advanced SMTP authentication methods, like NTML and STARTTLS. Also use OpenSSL's MD5 implementation over internal version.
static-libs
Global: Build static libraries
threads
Global: Adds threads support for various packages. Usually pthreads