+ int type, int proto, int ssl);
+__must_check__ int el_job_connect2(job_t *w, const ACCOUNT *);
+__must_check__ int el_job_starttls(job_t *w);
+__must_check__ ssize_t el_job_read(job_t *w, buffer_t *buf);
+__must_check__ ssize_t el_job_write(job_t *w, buffer_t *buf);
+
+void el_lock(void);
+void el_unlock(void);
+void el_wait(volatile job_t *w);