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  1. Mailbird
  2. Troubleshooting
  3. Issue With Sending and Receving Emails

Issue With Sending and Receving Emails

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  • I cannot send/receive emails anymore
  • I can't receive or send email anymore
  • Microsoft 365 SMTP authentication unsuccessful error while sending emails
  • Yahoo/AOL/AT&T/Verizon account is not downloading/syncing messages
  • Cannot send emails / Error sending email / Emails go to drafts
  • Emails fail to send / Sending error/ Emails stay in drafts
  • When I reply an email, it disappears from the Inbox
  • "Server authentication failed" message (Yahoo, Hotmail, etc)
  • Error sending mail from AOL
  • Error sending mail: 'A call to SSPI failed, see inner exception'
  • Issues sending email from Google Apps/Suite domain alias
  • Long delay in checking incoming email
  • Proxy or firewall blocking Mailbird
  • Why am I getting a server certificate error?

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