Postfix Must issue a STARTTLS command first

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Postfix Must issue a STARTTLS command first

2016年9月6日 — I am trying to send email through gmail via postfix, but it shows me the following error: Must issue a STARTTLS command first. ,2023年1月10日 — Postfix has been configured correctly as a TLS capable SMTP client, but the remote server rejects any connection with Must issue a STARTTLS command first ... ,2014年8月6日 — I get this error: Must issue a STARTTLS command first with all sent mail. Can anyone see why? main.cf: relayhost=[smtp.gmail.com]:587 ... ,2022年2月10日 — The server responds with 530 5.7.0 Must issue a STARTTLS command first. I noticed that smtp.gmail.com has the same requirement to use TLS. I ... ,2017年9月7日 — I would like my email server to send encrypted email via TLS. However it breaks when I flip the following variable: smtpd_tls_security_level = encrypt.,2024年3月22日 — This error indicates that the server expects the email client to issue the STARTTLS command. This command secures the connection before sending ... ,2016年3月21日 — I have a problem on sending mail to my domain from an external address (I suspect more particularly the Exchange servers). The error is:,2023年1月24日 — Clearing smtp_pix_workarounds already solved the problem. ... Thank you for the link, I will try with smtp_pix_workarounds set to delay_dotcrlf, ...,2019年1月7日 — Basically, I want to be able to send and receive mail from anywhere as long as the domain and user exist on the server and authenticate with ...,2024年8月15日 — I have been hosting my own mailserver using postfix for quite some time now. Today, I had a mail I sent rejected. This was the error:

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Postfix Must issue a STARTTLS command first 相關參考資料
Postfix - Must issue a STARTTLS command first

2016年9月6日 — I am trying to send email through gmail via postfix, but it shows me the following error: Must issue a STARTTLS command first.

https://stackoverflow.com

Remote mail server returns error "Must issue a STARTTLS...

2023年1月10日 — Postfix has been configured correctly as a TLS capable SMTP client, but the remote server rejects any connection with Must issue a STARTTLS command first ...

https://www.suse.com

Postfix Using Gmail Relay: Must issue a STARTTLS ...

2014年8月6日 — I get this error: Must issue a STARTTLS command first with all sent mail. Can anyone see why? main.cf: relayhost=[smtp.gmail.com]:587 ...

https://askubuntu.com

Postfix with only STARTTLS or TLS

2022年2月10日 — The server responds with 530 5.7.0 Must issue a STARTTLS command first. I noticed that smtp.gmail.com has the same requirement to use TLS. I ...

https://serverfault.com

Must Issue A STARTTLS Command First : rpostfix

2017年9月7日 — I would like my email server to send encrypted email via TLS. However it breaks when I flip the following variable: smtpd_tls_security_level = encrypt.

https://www.reddit.com

Error 530-5.7.0: Must issue a STARTTLS command first

2024年3月22日 — This error indicates that the server expects the email client to issue the STARTTLS command. This command secures the connection before sending ...

https://sendlayer.com

Postfix error 5.7.0 : Must issue a STARTTLS command first

2016年3月21日 — I have a problem on sending mail to my domain from an external address (I suspect more particularly the Exchange servers). The error is:

https://serverfault.com

SOLVED: Must issue a STARTTLS command first

2023年1月24日 — Clearing smtp_pix_workarounds already solved the problem. ... Thank you for the link, I will try with smtp_pix_workarounds set to delay_dotcrlf, ...

https://forums.zimbra.org

Cannot send with StartTLS on Postfix

2019年1月7日 — Basically, I want to be able to send and receive mail from anywhere as long as the domain and user exist on the server and authenticate with ...

https://stackoverflow.com

Mail rejected with "Must issue STARTTLS first" : rpostfix

2024年8月15日 — I have been hosting my own mailserver using postfix for quite some time now. Today, I had a mail I sent rejected. This was the error:

https://www.reddit.com