Unable to Send from Optimum Email

[katemith222]

From the last few days, I am not able to send emails through my Optimum emails. I think there is a problem in my SMTP settings. Please tell me the correct SMTP settings for Optimum email.

[russelcrowe]

If you cannot send email through Optimum Online (Optonline) or another Internet Service Providers (ISPs) and you are receiving an error message which states something such as “Cannot send outgoing mail due to Port 25 being blocked”, this usually indicates a problem with your Internet Service Provider (ISP) and NOT your ...

[evanshris]

If you can receive emails but can not send emails this usually means the authenication required by the outgoing (SMTP) server is not configured. ... 'My outgoing (SMTP) server requires authentication' is not checked. In Outlook it is in advanced settings.

[jakosaleena99]

If you cannot send email through Optimum Online (Optonline) or another Internet Service Providers (ISPs) and you are receiving an error message which states something such as “Cannot send outgoing mail due to Port 25 being blocked”, this usually indicates a problem with your Internet Service Provider (ISP) and NOT your ..

[jakosaleena99]

I am having the same issue this morning with MSN mail, can not send or receive thru MSN mail, however can/do with Hotmail. Status and

[katemith222]

If you cannot send email through Optimum Online (Optonline) or another Internet Service Providers (ISPs) and you are receiving an error message which states something such as “Cannot send outgoing mail due to Port 25 being blocked”, this usually indicates a problem with your Internet Service Provider (ISP) and NOT your ...

[quasid.99]

Cannot send emails: How to fix email sending issues
* Check your internet connection. Yup. ...
* Check your SMTP server details. This is an extremely common mistake: you have set up your mail client with the wrong SMTP parameters. ...
* Verify all usernames and passwords. ...
* Check your SMTP server connection. ...
* Change your SMTP port. ...
* Control your antivirus or firewall settings.

[AlPacino]

Unable to receive bcc mail sent from an Optimum account to my outlook.com account via POP. Situation: Have a child with an optimum email account. The sender uses MS Outlook 2010 configured with POP3 to access the Optimum account. Sending and receiving emails works with no issue.