3
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1answer
5k views

What is preferable, “no-reply@” or “noreply@”? [closed]

Having a service that sends out notifications to users, I'm currently thinking about changing the sender email address from "info@" to something more meaningful. Since a reply never makes sense, I'm ...
0
votes
1answer
2k views

What software generates the SMTP bounce message “550 Envelope blocked - User Entry”?

I'm troubleshooting an issue where email sent from a specific user is blocked every time to only a specific sender. The NDR generated (from our Exchange server) has the following message: #550 ...
1
vote
3answers
2k views

Is sending email from EC2 / Rackspace Cloud a bad idea?

In this article it mentions that TrendMicro is now treating all emails from Amazon's EC2 as coming from "Dial Up Users": likely to be spam and this is creating severe deliverability issues with their ...
7
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4answers
537 views

Steps to take to improve email deliverability

Successfully delivering email to my clients is a pretty high priority at my company. We are of course fully opt-in, paid clients, no possibility of spam, the whole thing. The information we email is ...