How to enable SMTP authentication?

Customizing e-mail programs to enable authentication for outgoing mail (SMTP) incoming mail server (POP3): pop.ue.katowice.pl incoming mail server (IMAP): imap.ue.katowice.pl outgoing mail server (SMTP): smtp.ue.katowice.pl If an encrypted connection is chosen, the server names remain the same. This type of connection is recommended. MS Outlook/Express We advise against using MS Outlook Express as it is outdated software. From the Tools/Accounts... menu choose your account and click Properties and then the Servers tab. Check Server requires authentication – you may also set username and password by clicking the Settings button. Alternatively, you may still choose the Advanced tab and check the option This server requires... (under the Outgoing mail (SMTP) window) – then the mail transmission will be encrypted. Confirm new settings OK. The default outgoing mail (SMTP) port must be changed from 25 to 587. Thunderbird: In the menu: Tools / Account configuration, choose Outgoing mail server (SMTP). ...
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