Re: IPv6 recap
Jan Bruns <[email protected]>
| Newsgroups | gmane.mail.imap.courier.general |
|---|---|
| Message-ID | <[email protected]> |
On 05.04.24 13:52, Alessandro Vesely wrote: > this happened again, but this time caused a bounce: > <<< 554 [..]Comcast requires that all mail servers must have a PTR record with a valid Reverse[..] > Is it possible to inhibit use of IPv6 a little bit harder? Argh. IONOS recently moved to not doing IPv6 rDNS, too, and I was hoping ESMTP_PREFER_IPV6_MX=0 could limit the prob to IPv6 only targets. In this case, it's a Hoster-internal issue, and their support claims to know about it's necessary to work again in future. Gruss Jan Bruns _______________________________________________ courier-users mailing list [email protected] Unsubscribe: https://lists.sourceforge.net/lists/listinfo/courier-users