Is dns still working? This will check the domain dns records so I would go that route and see.
> Il giorno 13 giu 2021, alle ore 19:32, ChandranManikandan <[email protected]> > ha scritto: > > > Hi Folks, > > Suddenly email is not delivered from some domains and qmail/smtp log is > showing below like that when i check the log. Queue also no email there. > > CHKUSER accepted sender: from <[email protected]::>rcpt <> : sender accepted > > and they got a bounce message below like that. > > ----- The following addresses had permanent fatal errors ----- > <[email protected]> > (reason: 451 SPF lookup failure (#4.3.0)) > I have checked my domain spf and have not found any error and I haven't > changed recently. > > Could anyone help me, how to fix this > > > -- > Regards, > Manikandan.C
