Sometimes newsletters don’t pass all the way through to the inbox, they get stuck in a spam filter. This situation is common in companies when sending newsletters as internal e-mails. Many times it looks suspicious to company spam filters that there are multiple people in the same company who receive the same message at the same time. To solve this problem, you can ask your IT managers to whitelist by using the following IP- addresses below:

(Dispatch domain in parentheses)

194.71.224.128/25
​

194.71.224.148 (mail1.gansend1.com)

194.71.224.149 (mail2.gansend1.com)

194.71.224.150 (mail3.gansend1.com)

194.71.224.151 (mail4.gansend1.com)

194.71.224.152 (mail5.gansend1.com)

194.71.224.153 (mail6.gansend1.com)

194.71.224.154 (mail7.gansend1.com)

194.71.224.155 (mail8.gansend1.com)

194.71.224.156 (mail9.gansend1.com)

194.71.224.157 (mail10.gansend1.com)

194.71.224.168 (mail1.gansend.com)

194.71.224.169 (mail2.gansend.com)

194.71.224.170 (mail3.gansend.com)

194.71.224.171 (mail4.gansend.com)

194.71.224.172 (mail5.gansend.com)

194.71.224.173 (mail6.gansend.com)

194.71.224.174 (mail7.gansend.com)

194.71.224.175 (mail8.gansend.com)

194.71.224.176 (mail9.gansend.com)

194.71.224.180 (mail1.gansend2.com)

194.71.224.181 (mail2.gansend2.com)

194.71.224.182 (mail3.gansend2.com)

194.71.224.183 (mail4.gansend2.com)

194.71.224.184 (mail5.gansend2.com)

194.71.224.185 (mail6.gansend2.com)

194.71.224.186 (mail7.gansend2.com)

194.71.224.187 (mail8.gansend2.com)

194.71.224.188 (mail9.gansend2.com)

194.71.224.189 (mail10.gansend2.com)
​