On 04.09.2024 at 22:15, Rob Landers wrote: > I receive the following error when saving an RFC: > > There was an unexpected problem communicating with SMTP: Unexpected return > code - Expected: 250, Got: 554 | 554 5.5.2 <[i:p:v:6::addr]>: Helo command > rejected: invalid ip address > > From what I can gather, whatever SMTP server it is connecting to doesn't > understand ipv6 addresses.
I had the same issue just the other day. I assume the edit notification can't be sent. This should be reported to systems.php.net, but maybe one of these people is reading here. Christoph
