S Serge New Member Oct 13, 2017 25 1 3 33 Jun 10, 2020 #1 Hi everybody, I have another issue with my server. It's not sending emails. When I do the test, it shows an error: SMTP server error: 5.5.2 Send hello first We use Office365 as SMTP. Any ideas?
Hi everybody, I have another issue with my server. It's not sending emails. When I do the test, it shows an error: SMTP server error: 5.5.2 Send hello first We use Office365 as SMTP. Any ideas?
S Serge New Member Oct 13, 2017 25 1 3 33 Jun 10, 2020 #2 Apparently it fails to verify my domain.... TCPdump from the server shows: 501 5.5.4 Invalid domain name
Apparently it fails to verify my domain.... TCPdump from the server shows: 501 5.5.4 Invalid domain name