In these cases, manual intervention may be required to whitelist the website's mailserver so the email containing the reset token can be used before it expires. When a mail server is greylisted, the duration of time between the initial delay and the retransmission is variable; the greylisting server has no control or visibility of the delay. 
Jun 23, 2020 · Below is a list of IPs you'll want to add to your firewall for sending email through our API and SMTP. API Access. 22.214.171.124; 126.96.36.199; 188.8.131.52 Jun 17, 2020 · Outlook.com SMTP server settings are needed to set up your Outlook.com account in an email client on your smartphone, tablet, or another computer. SMTP settings provide instructions to the mail program on how to send mail from your Outlook.com account. Mar 23, 2015 · whitelisted senders (/etc/exim/whitelist_sender <= has the clients EMAIL addresses listed in it) (a) disable it's authentication requirement and allow relays only for whitelisted senders, or (b) allow whitelisted_senders to relay emails without authentication, and if not whitelisted, then needs to authenticate before sending Sep 22, 2013 · I have a customer, who uses a host that seems to have many SMTP servers, and every week or two, he starts getting bounce messages when sending to me, that the current SMTP server is on some RBL and the email cannot be delivered to me. I can see in WHM, how to whitelist an IP, or range of
Secure Email Gateway allows you to setup the auto whitelist in order to automatize whitelist incoming and outgoing mails. Click here to read more detailed information.
How to whitelist a SMTP address? - ORF Forums @jpp: ORF currently does not have a "hostname whitelist" feature, so (as Norbert mentioned), you should add all the IPs assigned to this hostname to the IP Whitelist. Alternatively, you could try the Keyword Whitelist feature which can check the MIME header of the email (so if it was relayed through this host or was originated from it, that will be indicated in the MIME header and a whitelist SMTP - Disable Auth and allow Relay via Whitelist_Senders 2016-2-29
Add Teams SMTP domain as an allowed sender domain in
2020-6-11 · Perhaps I should say, how can I use SMTP Authentication and an SMTP whitelist with qmail? – ck86 Nov 14 '11 at 5:08. I'll be more explicit - by not using qmail. It did well for its day, but it's now old, unsupported, and missing lots of useful features. – Alnitak Nov 14 '11 at 5:11. Use Your Own SMTP Email Provider - Auth0 Docs Get your SMTP credentials. Copy the security credentials; you will need to enter these values into Auth0. Navigate to Auth0 Custom Email Providers. Activate the Use my own email provider toggle, and click the SMTP logo. Provide a From email address, then enter your SMTP server Host, Port, Username, and Password, and click Save.