On 2020-09-23 at 14:46 -0500, Jerry Malcolm wrote: > My client is massively invested in AWS with many servers, databases, > and services unrelated to mail. Moving to another platform is not > an option. What is a good 'reputable' 3rd party service that I can > use as a proxy to make sure I have 'clean' mail?
How is your client handling their 'normal' mails? An on-premises server? Microsoft 365 ? G Suite? Just send these communications through their normal email sending platform (get a user account and use those credentials to send through them), benefiting from the reputation their sending IPs already have for this company mails.
