How do I send existing e-mail and omit original recipient?

existing conversation. unable to send new email to existing contact.

Hey guys, im not able to send emails to an existing email Id's and frequently getting an auto generated report saying " This is permanent error" (Message sent failure, ip address does not exist, check the ip address - even ip address is correct...

mailer-daemon keeps on sending messages saying that they failed to deliver the file because the yahoo id does not have a yahoo.com account. the file is my project that i'm trying to send to my teacher, i sent it last Oct. 25 and i just checked my spam...

my email is being processed but this has been going on since early morning? What is the problem?

This just started a couple days ago. And, I used to be able to type the letter of their first name and their email address would pop up. That's gone, too. What's going on?

We're looking for a rule-based email marketing system.  E.g that would trigger email newsletters to customers at pre-defined events, e.g. "first purchase", "purchase over $50" ; send life-cycle newsletters (e.g. a series of 5 on-boarding...

Is there a good SMTP service to send bulk emails (or another good solution for sending bulk emails, using the tools I already have, rather than a service like Mailchimp?) I have a couple of email lists I use to promote local events. The lists are in...

I have an existing php page that I need to add JavaScript code to to make the zip code field numeric only and I have to have it throw an alert message when it's not numeric. I think I need to use the isNaN() function from JavaScript, but I don't know...

Not-so-smart-phone filter: I'm looking for a Sprint-compatible cellphone with a full keyboard and the ability to read/send email. The catch is, I don't need (and actively don't want) more internet access than this; I'm already too connected as it is...