Welcome is an enterprise business email hosting service focused on reducing spam through multiple blocklist checks and premium . We provide a completely white-label email hosting service used by businesses world-wide. If you are having mail delivery issues with rejection notices including the text, please click here to determine why you are blocked. If you have any questions regarding email with emailsrvr, please contact us via the contact box at the bottom of the screen. If you need assistance with your email which is hosted by, please contact your administrator.

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DNS Record Recommendations

Our hosted email infrastructure is continually evolving. As a result, IP addresses will change as part of improving the service. To ensure the best connectivity, use mx[1-2] in DNS and on sending software. Hard-coding IP addresses will lead to future delivery problems for your domain.

New IP Ranges Added

We have added the following New IP ranges for sending: