xref: /netbsd-src/external/ibm-public/postfix/dist/src/smtp/smtp-only (revision 6dffe8d42bd46273f674d7ab834e7be9b1af990e) 
1_ALWAYS_EHLO
2_NEVER_EHLO
3_SMTP_FALLBACK
4_IGN_MX_LOOKUP_ERR
5