> > On 23.06.10 09:21, Bowie Bailey wrote: > >> I see the message "DNS lookup failed." in my logs for a particular > >> email. When I test it, I get this: > >> > >> $ testmxlookup puertoislamujers.com > >> Soft error. > >> $ host puertoislamujers.com > >> puertoislamujers.com has address 74.86.203.162 > >> > >> I thought that Courier would attempt delivery to the A record if there > >> was no MX record?
> Matus UHLAR - fantomas wrote: > > how do you know it has no MX records? The MX lookup didn't return valid > > negative answer, it failed. It indicates DNS error. I can confirm this > > - nameserver lookups for puertoislamujers.com timeout. > > Their DNS is broken. On 23.06.10 11:21, Bowie Bailey wrote: > Ok. I see. Kind of odd that their DNS returns an answer for A and > fails for MX. many things can happen when the DNS is broken. > >> I realize that the server at that address is not answering to port 25, > >> but that should generate a timeout, not a DNS error. > > courier even does not try the A and it doesn't have to. > Because the MX query returned an error... However the standard says you can use A when there is no MX, and you don't know if there is a MX when the lookup times out. -- Matus UHLAR - fantomas, [email protected] ; http://www.fantomas.sk/ Warning: I wish NOT to receive e-mail advertising to this address. Varovanie: na tuto adresu chcem NEDOSTAVAT akukolvek reklamnu postu. Fucking windows! Bring Bill Gates! (Southpark the movie) ------------------------------------------------------------------------------ ThinkGeek and WIRED's GeekDad team up for the Ultimate GeekDad Father's Day Giveaway. ONE MASSIVE PRIZE to the lucky parental unit. See the prize list and enter to win: http://p.sf.net/sfu/thinkgeek-promo _______________________________________________ courier-users mailing list [email protected] Unsubscribe: https://lists.sourceforge.net/lists/listinfo/courier-users
