Returned emails
Hi. Some recipients doesn't receive my emails:
"A message that you sent could not be delivered to one or more of its
recipients. This is a permanent error. The following address(es) failed:
p.musz****@****nyl.pl
SMTP error from remote mail server after RCPT
TO:<p.musz****@****nyl.pl>:
host mx1.net-line.pl [2**.7*.69.20]: 450 4.7.1
<p.musz****@****nyl.pl>:
Recipient address rejected: SPF-Result=ag****.***.pl:
'SERVFAIL' error on DNS 'SPF' lookup of 'ag****.w***.pl':
retry timeout exceeded"
Where is the problem on my ISPmanager?
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