https://connect.mozilla.org/t5/discussions/firefox-cannot-connect-properly/m-p/40630#M14510 <P>I have been a Mozilla user for over 20 years but the updates made in September 2023 has caused me to switch to apps that work. Thunderbird cannot send email containing attachments of ANY size. Firefox is incredibily slow and cannot link out of Google, sporadically unable to link with Amazon and cannot work with Yahoo mail.<BR /><BR />Using Verizon Fios, windows 10, email server outlook.office365.com</P> Sun, 01 Oct 2023 04:35:50 GMT mtenenbaum 2023-10-01T04:35:50Z https://connect.mozilla.org/t5/discussions/firefox-cannot-connect-properly/m-p/40630#M14510 <P>I have been a Mozilla user for over 20 years but the updates made in September 2023 has caused me to switch to apps that work. Thunderbird cannot send email containing attachments of ANY size. Firefox is incredibily slow and cannot link out of Google, sporadically unable to link with Amazon and cannot work with Yahoo mail.<BR /><BR />Using Verizon Fios, windows 10, email server outlook.office365.com</P> Sun, 01 Oct 2023 04:35:50 GMT https://connect.mozilla.org/t5/discussions/firefox-cannot-connect-properly/m-p/40630#M14510 mtenenbaum 2023-10-01T04:35:50Z