Re: Charter and Cox contacts

[Stephen Satchell <list () satchell net>]

On 5/13/19 12:11 PM, daniel () pyranah com wrote:
> Does anyone have contacts at Charter (Spectrum) and Cox? For some reason,
> our IP has been blocked by them and our customers are unable to send email
> via their charter/cox accounts. Thanks


Would you be talking about port 25/tcp outbound?  Lots of ISPs will
block port 25 as a rule; you have to call to have it opened.  At the
same time, you can request the PTR record you need to keep big mail
receivers happy.