* Muhammad Yousuf Khan <sir...@gmail.com>: > i am newbie to postfix i have just installed ispconfig and mails are > working as expected.I am using a domain lets say xyz.com, email btw (local > domain memebers) a...@xyz.com and 1...@xyz.com are working fine. even email i > am able to receive email from gmail.com > however one of my official email hosted on networksoultion.com can not send > email to my mailserver. > > when ever i send email from my office id my server return this error > > The following addresses had permanent fatal errors ----- <supp...@xxxx.com > <supp...@anitbridge.com>> > > (reason: 530 5.7.0 Must issue a STARTTLS command first)
On which port are you trying to submit the message? Port 587? You likely are enforcing TLS on that port. In any case either change the smtpd_tls_policy_level to 'may' or configure the client failing to use STARTTLS. p@rick -- [*] sys4 AG https://sys4.de, +49 (89) 30 90 46 64 Franziskanerstraße 15, 81669 München Sitz der Gesellschaft: München, Amtsgericht München: HRB 199263 Vorstand: Patrick Ben Koetter, Marc Schiffbauer Aufsichtsratsvorsitzender: Florian Kirstein