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Can you please help fix imap configuration so it will work?

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I have tried every scenario I can think of to get the imap to work and incoming is working fine, but outgoing is not working. I use register.com to host my email and from their site they have the following imap configuration settings

Incoming IMAP mail server: mail.exampledomain.com Secure Password Authentication: NO Incoming IMAP port number: 143 Outgoing SMTP mail server: mail.exampledomain.com Outgoing SMTP server requires authentication: YES Use same settings as Incoming Mail Server: YES Outgoing port number: 25 or 5125 or 587

Can you please assist with getting this set up so I can send emails? I've tried all the outgoing port numbers...using SSL/TLS, STARTTTLS and using normal password and encrypted password.

Emma

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IMAP is incoming mail so why do you want that fixed if it is working. SMTP settings are what control outgoing messages. The people that know the correct server settings for their mail servers will be your email provider. Ask them for the correct server settings and place them in Thunderbird.

The SMTP settings are found at Tools-Account Settings-Outgoing Server (SMTP) Use the edit button to make changes.

As a general rule port 25 is insecure and does not use SSL/TLS if it is supported at all. Most reliable providers have turned this port off. From my experience port 587 is looking for a STARTTLS command but your provider would have the real answer.

Very few providers support encrypted passwords and normal password is the norm. Again only your provider knows how their system is set up. The first line of help desk agents will generally be clueless about any of this. Ask for someone that actually knows something.