ngx_mail_pop3_auth_cram_md5_capability 42 mail/ngx_mail_pop3_module.c static ngx_str_t ngx_mail_pop3_auth_cram_md5_capability = ngx_mail_pop3_auth_cram_md5_capability 232 mail/ngx_mail_pop3_module.c conf->auth_capability = ngx_mail_pop3_auth_cram_md5_capability;