NGX_MAIL_AUTH_LOGIN_USERNAME  365 mail/ngx_mail_imap_handler.c     case NGX_MAIL_AUTH_LOGIN_USERNAME:
NGX_MAIL_AUTH_LOGIN_USERNAME  852 mail/ngx_mail_parse.c                 return NGX_MAIL_AUTH_LOGIN_USERNAME;
NGX_MAIL_AUTH_LOGIN_USERNAME  470 mail/ngx_mail_pop3_handler.c     case NGX_MAIL_AUTH_LOGIN_USERNAME:
NGX_MAIL_AUTH_LOGIN_USERNAME  608 mail/ngx_mail_smtp_handler.c     case NGX_MAIL_AUTH_LOGIN_USERNAME: