You can use MIME::Lite (or something similiar) to build a message
including body and headers with wrong date format then forward the
message to Postfix for testing.
regards.
on 2020/1/7 16:47, lists wrote:
Is there some easy way to send email with the wrong date to test this? We'll
other tha
Hallo,
I tried to add SPF on 1and1 domain, got the help page:
https://www.ionos.com/help/domains/configuring-mail-servers-and-other-related-records/using-an-spf-record-to-prevent-spam/
It doesn't state clearly what are their official SPF records, but give
an example:
v=spf1 include:_spf.perf