Re: [mailop] outlook.com 421 try again later S77719

I confirm that, emails in the queue are only to "eur0x.prod.outlook.com" MX. Il 11/10/23 16:06, Lilium via mailop ha scritto: It appears to us that the delay only affects EU SMTP servers. US SMTP servers delivery is fine. Regards Andrea On 11/10/2023 11:12, Andreas via mailop wrote: Hello a

Re: [mailop] outlook.com 421 try again later S77719

Hello, We have also detected this anomaly on some of our IPs. At the moment we have solved it by relaing the queued messages from our other IPs and they have been accepted regularly. This is why I thought the problem was only ours. Ciao Il 11/10/23 11:12, Andreas via mailop ha scritto: He

[mailop] Microsoft 365 send spam via high-risk delivery pool (instead of block it)

Hi, on Microsoft 365 documentations site I found an article where you can read: "[...] all outbound messages from Microsoft 365 datacenter servers that are determined to be spam are sent through the high-risk delivery pool." https://learn.microsoft.com/en-us/microsoft-365/security/office-365-

Re: [mailop] Email Cloud Providers

Il 20/09/22 21:09, Michael Ellis via mailop ha scritto: Anyone have a suggestion for a good cloud email provider with good deliverability and control over their customers? I suggest the company we I'm work Qboxmail (www.qboxmail.com). We are focus on email hosting with white label for resell

Re: [mailop] IMAP and SMTP in the same or separated IPs?

Hi Leandro, with a load balancer (we are using Keepalived) you can provide to your customers both configurations: - one IP for POP/IMAP/SMTP (es. mail.DOMAIN) - two dedicated IP one for downloaded messages (POP/IMAP) and one for sending messages (SMTP) If you have a small setup POP/IMAP/SM

[mailop] How to detect fraud login in POP IMAP or SMTP?

Hi, we are an email hosting provider, and as you know many users use weak passwords, or have trojan on their PC that stolen their password that are used to sent spam or doing some kinds of fraud. We already have a "script" that checks, from log files, the country of the IP address and "do so

Re: [mailop] Recommendation for inbox provider?

I also remember that GoDaddy was offering Open-Xchange email solution but on the page that you link GoDaddy said that: "All Professional Business Email plans include:" - Outlook web application So, probably they are still using Open-Xchange email solution but for the future want just only pro

Re: [mailop] Recommendation for inbox provider?

Hi Anne, I can suggest my own company https://www.qboxmail.com . We provide email hosting only. We provide Control Panel, API, Webmail and standard protocol for email client. Ciao Il 07/09/21 00:47, Anne P. Mitchell, Esq. via mailop ha scritto: All, I know someone who is setting up a busin

[mailop] M-365 classified as phishing a "good" domain

Hi, I have a customer that was unable to delivery email to all Microsoft 365 Exchange hosted domains. The domain name classified as phishing from Microsoft antispam is enterprisesolutions DOT cc and messages are not marketing, just email sent from user with their client email from our SMTP.

Re: [mailop] Anyone using clustered DoveCot?

Hi Noel, I agree with you, I have seen setup with millions of mailboxes with NFS and Maildir works fine. I'm using NetApp as storage with NFS v3. What NFS version are you using for mount share? Ciao Il 23/01/21 16:38, Noel Butler via mailop ha scritto: Hi Tom, What did you want to know?

Re: [mailop] Anyone using clustered DoveCot?

Hi Tom, I'm running some cluster with Dovecot (Load balancer + Director + Dovecot backend) with NFS storage on NetApp. About email on object storage I've only heard nightmares :-) I will happy to talk with you Il 22/01/21 23:36, Tom Perrine via mailop ha scritto: I’d be interested in chatt

Re: [mailop] Unable to receive email from WeTransfer and Facebook (only for a specific domain)

Il 16/05/20 21:02, Alessio Cecchi via mailop ha scritto: Hi, we are an Email Hosting Provider based in Italy. One of our customer has transferred her domain from a registrar to another. After this transfer the domain is unable to receive emails from wetransfer.com and facebookmail.com, but

Re: [mailop] Unable to receive email from WeTransfer and Facebook (only for a specific domain)

Il 17/05/20 01:03, John Levine via mailop ha scritto: In article you write: What can I investigate? If you want our help, you need to give us enough info that we can help. Without knowing the domain name, we can only guess and we'll probably guess wrong. Yes, I'm sorry the domain name is s

[mailop] Unable to receive email from WeTransfer and Facebook (only for a specific domain)

Hi, we are an Email Hosting Provider based in Italy. One of our customer has transferred her domain from a registrar to another. After this transfer the domain is unable to receive emails from wetransfer.com and facebookmail.com, but works fine from all others sender. I suspect that during t