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Overnight Thunderbird does not receive messages from a POP server

selfsimilar01
selfsimilar01
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I am running Thunderbird 45.2.0, Window 10 with anniversary update installed. It worked fine until today

I have 5 POP email accounts with one ISP. As of this morning I can send email but I cannot receive email on any account. I have a couple of POP email accounts on hotmail and they work fine. The ISP claims it has something to do with an MS push security update.

Has anyone had a similar experience?

Thanks

I am running Thunderbird 45.2.0, Window 10 with anniversary update installed. It worked fine until today I have 5 POP email accounts with one ISP. As of this morning I can send email but I cannot receive email on any account. I have a couple of POP email accounts on hotmail and they work fine. The ISP claims it has something to do with an MS push security update. Has anyone had a similar experience? Thanks

Chosen solution

ISP said Change Connection security: SSL/TLS. (Tools->Account Settings->Server Settings->Security Settings)

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All Replies (3)

selfsimilar01
selfsimilar01 Question owner
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Found solution. The "connection security" was set to STARTTLS and it worked fine for years. Now it must be set to SSL/TLS. There must have been a change on the ISP server

Grizz
Grizz
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Try this:

Change Connection security: None. (Tools->Account Settings->Server Settings->Security Settings)

selfsimilar01
selfsimilar01 Question owner
more options

Chosen Solution

ISP said Change Connection security: SSL/TLS. (Tools->Account Settings->Server Settings->Security Settings)