How to fix Keylib Error: #28 -> exp date empty Error?
I use Incredimail and have not been able to send email’s either for about 2 wks now, finally figured it out Keylib Error: #28 -> exp date empty.
Go to Tools and Email Accounts.
Then click on the email account and click Properties,
Then in there click on the Advanced tab and remove the ticks out of the Server Port Numbers under SMTP and POP3.
This changes the port numbers to 25 and 110.
Click “OK” and then close email account properties box and email account box.
No need to even restart the program. Go ahead and send email’s again now.