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SMTP server often times out when sending emails

  • 3 replies
  • 2 have this problem
  • 15 views
  • Last reply by christ1

ggallen
ggallen
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My ISP says server settings are: Outgoing server: smtp.kingston.net Port: 587 Email authentication ON SSL OFF I have been using Thunderbird as long as it has existed. This problem just started happening a couple of weeks ago. Sometimes the mail goes through and sometimes it doesn't. I am an IT consultant and several of my clients who use Thunderbird have reported the same issue. My ISP swears that there is no problem with their SMTP server. I can connect to it immediately but it seems that sometimes the negotiation process takes too long and it times out. I can use other email programs with the same settings with no problem. Any suggestions? Thanks, Garry

My ISP says server settings are: Outgoing server: smtp.kingston.net Port: 587 Email authentication ON SSL OFF I have been using Thunderbird as long as it has existed. This problem just started happening a couple of weeks ago. Sometimes the mail goes through and sometimes it doesn't. I am an IT consultant and several of my clients who use Thunderbird have reported the same issue. My ISP swears that there is no problem with their SMTP server. I can connect to it immediately but it seems that sometimes the negotiation process takes too long and it times out. I can use other email programs with the same settings with no problem. Any suggestions? Thanks, Garry

All Replies (3)

sfhowes
sfhowes
  • Top 10 Contributor
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Start the computer in Windows safe mode and see if you still get timeouts. If you don't, it indicates a startup program, such as antivirus, is causing the timeout, and that program should not be set to scan outgoing mail.

https://support.wtccommunications.ca/index.php?/Knowledgebase/Article/View/108/17/cant-connect-to-mail-server-timeout-error-0x800ccc0d-0x800ccc0e-etc

ggallen
ggallen Question owner
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Safe Mode didn't seem to help but despite swearing that there was nothing wrong with their SMTP server, my ISP has apparently fixed the problem!

christ1
christ1
  • Top 25 Contributor
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SSL OFF

Are you saying saying all your communication with your email provider's server must be in the clear? If so, I'd look for a new email provider.

Modified by christ1