Windows 10 reached EOS (end of support) on October 14, 2025. If you are on Windows 10, see this article.

Avatar for Username

Cari Bantuan

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Pelajari Lebih Lanjut
Utas ini telah diarsipkan. Silakan membuat pertanyaan baru jika Anda membutuhkan bantuan.
Solved Diarsipkan

Cannot send mail

Thunderbird Email and messaging
leif.hammarstrom replied 2 tahun yang lalu
leif.hammarstrom
leif.hammarstrom

Sending a mail results in the following message:

Sending of the message failed. An error occurred while sending mail: Outgoing server (SMTP) error. The server responded: Disallowed HELO string.

Sending a mail results in the following message: Sending of the message failed. An error occurred while sending mail: Outgoing server (SMTP) error. The server responded: Disallowed HELO string.

Diperbarui oleh leif.hammarstrom pada

Semua Balasan (1)

leif.hammarstrom
leif.hammarstrom Pemilik pertanyaan

Solusi Terpilih

Found the solution in

https://kb.mozillazine.org/Replace_IP_address_with_name_in_headers