Heads up all:
Gmail made a policy change, which appears to be broken. It now won't allow me (and many others) to send from Gmail using my Mercury mail server. They're rolling out this change slowly, so not all accounts are affected yet.
For the accounts that are affected, the user will receive a bounce message that says:
TLS Negotiation failed, the certificate doesn't match the host.
If you try to update your SMTP settings for the account within your Gmail, it will give the following error:
Authentication failed. Please check your username/password. Server returned error: "TLS Negotiation failed, the certificate doesn't match the host., code: 0"
I've tried recreating my certificates with and without sub-domains, and have also tried every possible permutation of using or not using sub-domains in Gmail's "SMTP Server" box, using 465/SSL, using 587/TLS, and even trying 465/TLS and 587/SSL. Nothing has worked and it gives the same error regardless.
I'll let you know if I find a solution.
<p>Heads up all:</p><p>&nbsp;</p><p><span style="font-size: 10pt;">Gmail made a policy change, which appears to be broken.&nbsp; It now won't allow me (and many others) to send from Gmail using my Mercury mail server.&nbsp; They're rolling out this change slowly, so not all accounts are affected yet.</span></p><p>&nbsp;</p><p>For the accounts that are affected, the user will receive a bounce message that says:</p><p><b><span style="color: rgb(34, 34, 34); font-family: monospace; font-size: 12.8px;">TLS Negotiation failed, the certificate doesn't match the host.</span><span style="font-size: 10pt;">&nbsp;</span></b></p><p>&nbsp;</p><p>If you try to update your SMTP settings for the account within your Gmail, it will give the following error:</p><p><b>Authentication failed. Please check your username/password. Server returned error: "TLS Negotiation failed, the certificate doesn't match the host., code: 0"</b></p><p>&nbsp;</p><p>I've tried recreating my certificates with and without sub-domains, and have also tried every possible permutation of using or not using sub-domains in Gmail's "<span style="background-color: rgb(255, 247, 215); font-family: arial, sans-serif; font-size: 12.8px; text-align: -webkit-right;">SMTP Server</span><span style="font-size: 10pt;">" box, using 465/SSL, using 587/TLS, and even trying 465/TLS and 587/SSL.&nbsp; Nothing has worked and it gives the same error regardless.</span></p><p>&nbsp;</p><p>I'll let you know if I find a solution.&nbsp;</p><p>&nbsp;</p>