Avatar for Username

Hilfe durchsuchen

Vorsicht vor Support-Betrug: Wir fordern Sie niemals auf, eine Telefonnummer anzurufen, eine SMS an eine Telefonnummer zu senden oder persönliche Daten preiszugeben. Bitte melden Sie verdächtige Aktivitäten über die Funktion „Missbrauch melden“.

Weitere Informationen

Dieses Thema wurde archiviert. Bitte stellen Sie eine neue Frage, wenn Sie Hilfe benötigen.

STARTTLS is required to send

  • 1 Antwort
  • 1 hat dieses Problem
  • 7 Aufrufe
  • Letzte Antwort von sfhowes

firefox1400
firefox1400
more options

I get this message when trying to send an email from my linux laptop:

An error occurred while sending mail. The mail server responded: 451 5.7.3 STARTTLS is required to send mail [CO2PR04CA0178.namprd04.prod.outlook.com]. Please verify that your email address is correct in your account settings and try again.

Background: My email server was recently migrated to office365. Many features worked okay until 24 hours later. The email support person (from godaddy) walked me through updating the incoming and outgoing server addresses, but had no idea what to make of this error message.

Can anyone help walk me through whats going on and how to fix it? Thanks!

I get this message when trying to send an email from my linux laptop: An error occurred while sending mail. The mail server responded: 451 5.7.3 STARTTLS is required to send mail [CO2PR04CA0178.namprd04.prod.outlook.com]. Please verify that your email address is correct in your account settings and try again. Background: My email server was recently migrated to office365. Many features worked okay until 24 hours later. The email support person (from godaddy) walked me through updating the incoming and outgoing server addresses, but had no idea what to make of this error message. Can anyone help walk me through whats going on and how to fix it? Thanks!

Alle Antworten (1)

sfhowes
sfhowes
  • Top 10 Contributor
more options

What's the connection security for the outgoing server? It should be STARTTLS on port 587.