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host xxx.xxx.xxx.xxx said: 530 5.7.0 Must issue a STARTTLS command first.

PostPosted: Tue Dec 19, 2017 2:05 am
by earthwalkerx
Hi,

I try to configure my mail server but despair grow, because I get everytime the feedback from SMTP Relay:
Code: Select all
530 5.7.0 Must issue a STARTTLS command first

Don't know why, because I set in thunderbird STARTSSL.

I try it with different SMTPs, but it's alwasy the same error :(