2015-08-27 10:04 időpontban Koko Wijatmoko ezt írta:
> On Thu, 27 Aug 2015 09:53:19 +0200 > z...@oper.hu wrote: > >> Dear All, I would like to realize a postfix setup where: - I have 1 public >> IP address - at least 2 domains - one postfix instace After setting up (one) >> domain alias for the IP I experienced problem when sending mail. Since I >> have one IP I could set up only one PTR record which causes problems when >> recipient receives mails from domain which has no PTR (reverse IP lookup >> results the domain name which has PTR). My question: could you recommend >> postfix and environment setup best parctice for this situation? Any help >> appreciated. Regards, Zoli > > PTR can only map to 1 IP, one PTR for one IP is enough > even using multiple domain with postfix. Sure. I suppose too, however I got from a recipeint's reponse: <x...@yyyy.de>: host mail.zzzz.de[aaa.bbb.ccc.ddd] said: 511-Verification failed for <i...@kkkk.eu> 511-It appears that the DNS operator for kkkk.eu 511-has installed an invalid MX record with an IP address 511-instead of a domain name on the right hand side. 511-ICIR11 - sender's domain not valid 511 (http://domain.tld/eee.fff.ggg.hhh) (in reply to RCPT TO command)