Re: can't send mail through iRedMail postfix server using PHP PEAR Mail

i'll be calling my ISP tomorrow morning then :) thanks. and those other records? how would i set those up? On Tue, Dec 8, 2020 at 4:26 PM Richard < inbound-lists-php@listmail.innovate.net> wrote: > > > Date: Tuesday, December 08, 2020 16:04:43 +0100 > > From: Rene Veerman <rene.veerman.netherlands@gmail.com> > > > >> On Tue, Dec 8, 2020 at 2:15 PM Richard wrote: > >> > >> > Date: Tuesday, December 08, 2020 11:35:30 +0100 > >> > From: Rene Veerman <rene.veerman.netherlands@gmail.com> > >> > > >> > i've been at this for a few days now, but keep on getting stuck.. > >> > > >> > while it may be due to my debugging efforts, i can't even get > >> > Thunderbird to send email through that postfix server of mine at > >> > the moment, it delivers the following bounce messages, with a > >> > link that's completely unhelpful :( > >> > > >> > This is the mail system at host smtp.nicer.app. > >> > > >> > I'm sorry to have to inform you that your message could not > >> > be delivered to one or more recipients. It's attached below. > >> > > >> > . . . > >> > > >> > The mail system > >> > <rene.veerman.netherlands@gmail.com> > >> > <rene.veerman.netherlands@gmail.com>: host > >> > gmail-smtp-in.l.google.com[2a00:1450:4013:c03::1b] said: > >> > 550-5.7.1 [2001:980:ed77:1:d565:64ae:934a:c18d] Our system > >> > has detected that 550-5.7.1 this message does not meet > >> > IPv6 sending guidelines regarding PTR 550-5.7.1 records > >> > and authentication. Please review 550-5.7.1 > >> > > >> > https://support.google.com/mail/?p=IPv6AuthError for more > >> > information 550 5.7.1 . bt17si3147299edb.469 - gsmtp > >> > (in reply to end of DATA command) > >> > > >> > >> Your message is being rejected by google because you don't have a > >> matching PTR record: > >> > >> message does not meet IPv6 sending guidelines regarding > >> PTR 550-5.7.1 records > >> > >> See the: > >> > >> Follow recommended IP practices > >> Verify the sending server PTR record > >> > >> section of the document they reference for specific details, but > >> you should follow the guidelines on SPF/DKIM/DMARC in the following > >> section too: > >> > >> Make sure your messages are authenticated > >> > >> In general, and especially when sending to google via IPv6, your > >> mail configuration (server and dns records) needs to be fully > >> standards compliant. > >> > > > > ok, and how would i set all of this up, at afraid.org, a free dns > > provider? > > The PTR (aka rDNS, in-addr.arpa) record is managed by the > organization that controls the IPnumber(s) used by the mail server. > > > [please do not include my direct address in replies.] >