1. [Home](https://www.g2.com/) 2. ... 3. [Email Deliverability Tools](https://www.g2.com/categories/email-deliverability) 4. [Coresender Discussions](https://www.g2.com/products/coresender/discuss) [ ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_0769447c86b20b671f122e797db1769c/coresender.png "Product Avatar Image") ](/products/coresender/reviews) [ Coresender ](/products/coresender/reviews) (1)5.0/5 Coresender is an email delivery service for transactional and marketing emails that can replace an in-house infrastructure. Easy SMTP service allows for a quick start, while a robust API gives full control over email processing and reporting. Transactional emails are delivered instantly, and marketing campaigns can be scaled to millions. \* High deliverability rate \* Email API \* SMTP gateway \* DKIM \* SPF \* Open tracking \* Click tracking \* Unsubscribe tracking Show More * * * ### 100.0 Nps Score Already have Coresender? ### All Coresender Discussions Search Most CommentedMost HelpfulPinned by G2Newest All DiscussionsDiscussions with CommentsPinned by G2Discussions without Comments FilterFilter Filter byExpand/Collapse Sort by Most Commented Most Helpful Pinned by G2 Newest Filter by All Discussions Discussions with Comments Pinned by G2 Discussions without Comments ![Pinned by G2 as a common question](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Pinned by G2 as a common question") G2 Pinned by G2 as a common question • almost 3 years ago More Options - [ # What is Coresender used for? ](/discussions/what-is-coresender-used-for) What is Coresender used for? [ Email Deliverability Tools ](https://www.g2.com/tags/email-deliverability-tools) * * * \<0\>0\>Upvotes * * * 0 Comments [![linkedin](/assets/social-logos/linkedin-afe65e46604a5bd5105ab9c856116204040b6b3f2b2d42562fc8071ca0c48ca0.svg "linkedin")](https://www.linkedin.com/shareArticle?mini=true&summary=Ask+Coresender+questions+and+get+answers+from+expert+users+in+our+Coresender+Discussions+section.&title=Coresender+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fcoresender%2Fdiscuss) [![twitter](/assets/social-logos/twitter-61aaec80434c71387b8f7326e480592eae71c0a65afd051d66fce9b75a9bf417.svg "twitter")](https://twitter.com/intent/tweet?text=Coresender+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fcoresender%2Fdiscuss&via=G2dotcom) [![facebook](/assets/social-logos/facebook-350d0b410d6b10debcf893050e803a8633d53561aa42807b087b8daf9be3668f.svg "facebook")](https://www.facebook.com/sharer/sharer.php?u=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fcoresender%2Fdiscuss) [![gmail](/assets/social-logos/gmail-6db42f21e7c254fae201b112bef0dd15d25223a5cbb32691ce80eab43761eadf.svg "gmail")](https://mail.google.com/mail/?view=cm&fs=1&tf=1&to=&su=Coresender+Discussions+%7C+G2&body=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fcoresender%2Fdiscuss%0aAsk+Coresender+questions+and+get+answers+from+expert+users+in+our+Coresender+Discussions+section.) [![mail](/assets/social-logos/mail-d55c53b04bf49872e40cd2443b85a99caa23394e6cf154ae32a9d08377c15d86.svg "mail")](mailto:?subject=Coresender+Discussions+%7C+G2&body=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fcoresender%2Fdiscuss%0aAsk+Coresender+questions+and+get+answers+from+expert+users+in+our+Coresender+Discussions+section.) ![copy_link](/assets/social-logos/copy_link-05d8dc5dc8576fc78425ad34d07241b060878835e555a30417ff41c18335e575.svg "copy\_link") ## Start a New Software Discussion Have a software question? Get answers from real users and experts [Start A Discussion](/products/coresender/discussions/new) * * * ![Product Avatar Image](https://images.g2crowd.com/uploads/product/hd_favicon/9777cf30ceb818c31e86139d417f7713/coresender.svg "Product Avatar Image") ### Have you used Coresender before? Answer a few questions to help the Coresender community [ Yes ](javascript:void(0))[ Yes ](https://www.g2.com/authorize?form=signup&return_to=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fcoresender%2Fdiscuss%3Fsmall_ask%3Dcoresender) No